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Label-Free In Situ Chemical Characterization of Amyloid Plaques in Human Brain Tissues (2024)
Journal Article
Everett, J., Brooks, J., Tjendana Tjhin, V., Lermyte, F., Hands-Portman, I., Plascencia-Villa, G., …Telling, N. D. (2024). Label-Free In Situ Chemical Characterization of Amyloid Plaques in Human Brain Tissues. ACS chemical neuroscience, 15(7), 1469–1483. https://doi.org/10.1021/acschemneuro.3c00756

The accumulation of amyloid plaques and increased brain redox burdens are neuropathological hallmarks of Alzheimer’s disease. Altered metabolism of essential biometals is another feature of Alzheimer’s, with amyloid plaques representing sites of dist... Read More about Label-Free In Situ Chemical Characterization of Amyloid Plaques in Human Brain Tissues.

Optical Microscopy Using the Faraday Effect Reveals in Situ Magnetization Dynamics of Magnetic Nanoparticles in Biological Samples (2024)
Journal Article
Sharifabad, M. E., Eizadi Sharifabad, M., Soucaille, R., Wang, X., Rotherham, M., Loughran, T., …Telling, N. (2024). Optical Microscopy Using the Faraday Effect Reveals in Situ Magnetization Dynamics of Magnetic Nanoparticles in Biological Samples. ACS Nano, 18(7), 5297-5310. https://doi.org/10.1021/acsnano.3c08955

The study of exogenous and endogenous nanoscale magnetic material in biology is important for developing biomedical nanotechnology as well as for understanding fundamental biological processes such as iron metabolism and biomineralization. Here, we e... Read More about Optical Microscopy Using the Faraday Effect Reveals in Situ Magnetization Dynamics of Magnetic Nanoparticles in Biological Samples.

Magnetic Coagulometry: Towards a New Nanotechnological Tool for ex vivo Monitoring Coagulation in Human Whole Blood (2023)
Journal Article
Santana-Otero, A., Harper, A., Telling, N. D., Ortega, D., & Cabrera, D. (in press). Magnetic Coagulometry: Towards a New Nanotechnological Tool for ex vivo Monitoring Coagulation in Human Whole Blood. Nanoscale, https://doi.org/10.1039/d3nr02593d

Blood clotting disorders consisting of unwanted blood clot formation or excessive bleeding are some of the main causes of death worldwide. However, there are significant limitations in the current methods used to clinically monitoring the dynamics of... Read More about Magnetic Coagulometry: Towards a New Nanotechnological Tool for ex vivo Monitoring Coagulation in Human Whole Blood.

Iron oxide nanoparticles as a new tool for treating cardiovascular diseases (2023)
Conference Proceeding
Cabrera, D., Ranjbar, J., Santana-Otero, A., Sharifabad, M. E., Ortega, D., Telling, N. D., & Harper, A. (2023). Iron oxide nanoparticles as a new tool for treating cardiovascular diseases. . https://doi.org/10.1109/intermagshortpapers58606.2023.10228198

Thrombotic events are a major cause of death and disability worldwide. Thrombolysis with the clot busting drug tissue plasminogen activator (tPA) or thromboprophylaxis using anticoagulants such as heparin are frontline treatments for thrombotic disea... Read More about Iron oxide nanoparticles as a new tool for treating cardiovascular diseases.

Probing magnetization dynamics of iron oxide nanoparticles using a point-probe magneto-optical method (2023)
Journal Article
Wang, X., Cabrera, D., Yang, Y., & Telling, N. (in press). Probing magnetization dynamics of iron oxide nanoparticles using a point-probe magneto-optical method. Frontiers in Nanotechnology, 5, Article 1214313. https://doi.org/10.3389/fnano.2023.1214313

Magnetic nanoparticles (MNPs) are promising as local heat generators for magnetic hyperthermia under AC magnetic fields. The heating efficacy of MNPs is determined by the AC hysteresis loop area, which in turn is affected by the dynamic magnetic prop... Read More about Probing magnetization dynamics of iron oxide nanoparticles using a point-probe magneto-optical method.

Illuminating the brain: Revealing brain biochemistry with synchrotron X-ray spectromicroscopy (2023)
Journal Article
Everett, J., Brooks, J., Lermyte, F., Tjhin, V. T., Hands-Portman, I., Hill, E., …Telling, N. D. (2023). Illuminating the brain: Revealing brain biochemistry with synchrotron X-ray spectromicroscopy. Journal of Electron Spectroscopy and Related Phenomena, 266, Article ARTN 147355. https://doi.org/10.1016/j.elspec.2023.147355

The synchrotron x-ray spectromicroscopy technique Scanning Transmission X-ray Microscopy (STXM) offers a powerful means to examine the underlying biochemistry of biological systems, owing to its combined chemical sensitivity and nanoscale spatial res... Read More about Illuminating the brain: Revealing brain biochemistry with synchrotron X-ray spectromicroscopy.

Magnetic activation of TREK1 triggers stress signalling and regulates neuronal branching in SH-SY5Y cells. (2022)
Journal Article
Rotherham, M., Moradi, Y., Nahar, T., Mosses, D., Telling, N., & El Haj, A. (2022). Magnetic activation of TREK1 triggers stress signalling and regulates neuronal branching in SH-SY5Y cells. Frontiers in Medical Technology, 4, Article 981421. https://doi.org/10.3389/fmedt.2022.981421

TWIK-related K+ 1 (TREK1) is a potassium channel expressed in the nervous system with multiple functions including neurotransmission and is a prime pharmacological target for neurological disorders. TREK1 gating is controlled by a wide range of exter... Read More about Magnetic activation of TREK1 triggers stress signalling and regulates neuronal branching in SH-SY5Y cells..

Remote magnetic actuation of cell signalling for tissue engineering (2022)
Journal Article
Rotherham, M., Nahar, T., Broomhall, T., Telling, N., & El Haj, A. (2022). Remote magnetic actuation of cell signalling for tissue engineering. Current Opinion in Biomedical Engineering, 24, Article 100410. https://doi.org/10.1016/j.cobme.2022.100410

Magnetic nanoparticles (MNP) are extremely versatile tools in bioengineering and medicine with diverse uses ranging from magnetic resonance contrast agents to drug delivery vehicles. Recently, MNP have been adapted to target and regulate cell signall... Read More about Remote magnetic actuation of cell signalling for tissue engineering.

Directional control of neurite outgrowth: emerging technologies for Parkinson's disease using magnetic nanoparticles and magnetic field gradients. (2022)
Journal Article
Dhillon, K., Aizel, K., Broomhall, T., Secret, E., Goodman, T., Rotherham, M., …Gates, M. (2022). Directional control of neurite outgrowth: emerging technologies for Parkinson's disease using magnetic nanoparticles and magnetic field gradients. Journal of the Royal Society. Interface, 19(196), https://doi.org/10.1098/rsif.2022.0576

A challenge in current stem cell therapies for Parkinson's disease (PD) is controlling neuronal outgrowth from the substantia nigra towards the targeted area where connectivity is required in the striatum. Here we present progress towards controlling... Read More about Directional control of neurite outgrowth: emerging technologies for Parkinson's disease using magnetic nanoparticles and magnetic field gradients..

Clot-Targeted Magnetic Hyperthermia Permeabilizes Blood Clots to Make Them More Susceptible to Thrombolysis (2022)
Journal Article
Cabrera, D., Sharifabad, M. E., Ranjbar, J. A., Telling, N. D., & Harper, A. G. (2022). Clot-Targeted Magnetic Hyperthermia Permeabilizes Blood Clots to Make Them More Susceptible to Thrombolysis. Journal of Thrombosis and Haemostasis, 20(11), https://doi.org/10.1111/jth.15846

BACKGROUND: Thrombolysis is a frontline treatment for stroke, which involves the application of tissue plasminogen activator (tPA) to trigger endogenous clot-degradation pathways.However, it is only effective within 4.5 hours of symptom onset due to... Read More about Clot-Targeted Magnetic Hyperthermia Permeabilizes Blood Clots to Make Them More Susceptible to Thrombolysis.

Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019) (2021)
Journal Article
Goenaga Infante, H., Warren, J., Chalmers, J., Dent, G., Todoli, J. L., Collingwood, J., …Craston, D. (2021). Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019). Pure and Applied Chemistry, 93(6), 647 - 776. https://doi.org/10.1515/pac-2019-0203

Recommendations are given concerning the terminology of concepts and methods used in spectroscopy in analytical chemistry, covering nuclear magnetic resonance spectroscopy, atomic spectroscopy, and vibrational spectroscopy.

Biogenic metallic elements in the human brain? (2021)
Journal Article
Everett, J., Lermyte, F., Brooks, J., Tjendana-Tjhin, V., Plascencia-Villa, G., Hands-Portman, I., …Telling, N. D. (2021). Biogenic metallic elements in the human brain?. Science Advances, 7(24), https://doi.org/10.1126/sciadv.abf6707

The chemistry of copper and iron plays a critical role in normal brain function. A variety of enzymes and proteins containing positively charged Cu+, Cu2+, Fe2+, and Fe3+ control key processes, catalyzing oxidative metabolism and neurotransmitter and... Read More about Biogenic metallic elements in the human brain?.

Nanoscale chemical speciation of ß-amyloid/iron aggregates using soft x-ray spectromicroscopy (2021)
Journal Article
Everett, J., Brooks, J., Collingwood, J. F., & Telling, N. (2021). Nanoscale chemical speciation of ß-amyloid/iron aggregates using soft x-ray spectromicroscopy. Inorganic Chemistry Frontiers, 8(6), 1439-1448. https://doi.org/10.1039/D0QI01304H

Iron (Fe) is an essential trace element required for healthy brain function. Yet, disrupted iron neurochemistry, and the associated formation of aberrantly aggregated protein lesions has been implicated in the development of multiple degenerative bra... Read More about Nanoscale chemical speciation of ß-amyloid/iron aggregates using soft x-ray spectromicroscopy.

Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres (2020)
Journal Article
Narayanasamy, K. K., Price, J. C., Merkhan, M., Elttayef, A., Dobson, J., & Telling, N. D. (2020). Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres. Materialia, 13, Article 100848. https://doi.org/10.1016/j.mtla.2020.100848

The biocompatibility of surface-coated magnetic nanoparticles (MNPs) is key to their successful use in biomedical applications. Polyethyleneimine-coated MNPs (MNP-PEIs) provide improved in vitro nucleic acid transfection efficiency and are safer comp... Read More about Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres.

Parallelized Manipulation of Adherent Living Cells by Magnetic Nanoparticles-Mediated Forces (2020)
Journal Article
Coppey, M., Piehler, J., Gates, M., Neumann, S., Telling, N., Heumann, R., …Raudzus, F. (2020). Parallelized Manipulation of Adherent Living Cells by Magnetic Nanoparticles-Mediated Forces. International Journal of Molecular Sciences, 21(18), https://doi.org/10.3390/ijms21186560

The remote actuation of cellular processes such as migration or neuronal outgrowth is a challenge for future therapeutic applications in regenerative medicine. Among the different methods that have been proposed, the use of magnetic nanoparticles app... Read More about Parallelized Manipulation of Adherent Living Cells by Magnetic Nanoparticles-Mediated Forces.

Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres (2020)
Journal Article
Telling. (2020). Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres. https://doi.org/10.2139/ssrn.3558242

The biocompatibility of surface-coated magnetic nanoparticles (MNPs) is key to their successful use in biomedical applications. Polyethyleneimine-coated MNPs (MNP-PEIs) provide improved in vitro nucleic acid transfection efficiency and are safer comp... Read More about Cytotoxic effect of PEI-coated magnetic nanoparticles on the regulation of cellular focal adhesions and actin stress fibres.

Controlling human platelet activation with calcium-binding nanoparticles (2020)
Journal Article
Cabrera, D., Walker, K., Moise, S., Telling, N. D., & Harper, A. G. (2020). Controlling human platelet activation with calcium-binding nanoparticles. Nano Research, 13, Article 2697–2705. https://doi.org/10.1007/s12274-020-2912-8

We introduce a neural method that is able to fuse concepts from a knowledge base with the context information for the task of grouping of aspect terms. Rather than only using context information, we use the corresponding concepts of aspect terms as a... Read More about Controlling human platelet activation with calcium-binding nanoparticles.

Iron stored in ferritin is chemically reduced in the presence of aggregating Aß(1-42). (2020)
Journal Article
Everett, J., Brooks, J., Lermyte, F., O’Connor, P. B., Sadler, P. J., Dobson, J., …Telling, N. D. (2020). Iron stored in ferritin is chemically reduced in the presence of aggregating Aß(1-42). Scientific reports, 20, Article 10332. https://doi.org/10.1038/s41598-020-67117-z

Atypical low-oxidation-state iron phases in Alzheimer's disease (AD) pathology are implicated in disease pathogenesis, as they may promote elevated redox activity and convey toxicity. However, the origin of low-oxidation-state iron and the pathways r... Read More about Iron stored in ferritin is chemically reduced in the presence of aggregating Aß(1-42)..

Analysis of neuronal iron deposits in Parkinson's disease brain tissue by synchrotron x-ray spectromicroscopy. (2020)
Journal Article
Brooks, J., Everett, J., Lermyte, F., Tjendana Tjhin, V., Sadler, P. J., Telling, N., & Collingwood, J. F. (2020). Analysis of neuronal iron deposits in Parkinson's disease brain tissue by synchrotron x-ray spectromicroscopy. Journal of Trace Elements in Medicine and Biology, 62, Article 126555. https://doi.org/10.1016/j.jtemb.2020.126555

BACKGROUND: Neuromelanin-pigmented neurons, which are highly susceptible to neurodegeneration in the Parkinson's disease substantia nigra, harbour elevated iron levels in the diseased state. Whilst it is widely believed that neuronal iron is stored i... Read More about Analysis of neuronal iron deposits in Parkinson's disease brain tissue by synchrotron x-ray spectromicroscopy..

Label-Free Nanoimaging of Neuromelanin in the Brain by Soft X-ray Spectromicroscopy. (2020)
Journal Article
Telling, & Everett. (2020). Label-Free Nanoimaging of Neuromelanin in the Brain by Soft X-ray Spectromicroscopy. Angewandte Chemie International Edition, https://doi.org/10.1002/anie.202000239

A hallmark of Parkinson's disease is the death of neuromelanin-pigmented neurons, but the role of neuromelanin is unclear. The in situ characterization of neuromelanin remains dependent on detectable pigmentation, rather than direct quantification of... Read More about Label-Free Nanoimaging of Neuromelanin in the Brain by Soft X-ray Spectromicroscopy..

Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles (2020)
Journal Article
Soucaille, R., Sharifabad, M., Telling, N., & Hicken, R. (2020). Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles. Applied Physics Letters, 116(6), 062404 - 062404. https://doi.org/10.1063/1.5140362

Characterization of magnetic nanoparticles in solution is challenging due to the interplay between magnetic relaxation and agglomeration. The AC magnetic susceptibility of magnetite nanoparticles in water has been studied using magneto-optical method... Read More about Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles.

Emerging Approaches to Investigate the Influence of Transition Metals in the Proteinopathies (2019)
Journal Article
Telling, & Everett, J. (2019). Emerging Approaches to Investigate the Influence of Transition Metals in the Proteinopathies. Cells, https://doi.org/10.3390/cells8101231

Transition metals have essential roles in brain structure and function, and are associated with pathological processes in neurodegenerative disorders classed as proteinopathies. Synchrotron X-ray techniques, coupled with ultrahigh-resolution mass spe... Read More about Emerging Approaches to Investigate the Influence of Transition Metals in the Proteinopathies.

Magnetic Mechanoactivation of Wnt Signaling Augments Dopaminergic Differentiation of Neuronal Cells (2019)
Journal Article
Rotherham, M., Nahar, T., Goodman, T., Telling, N., Gates, M., & El Haj, A. (2019). Magnetic Mechanoactivation of Wnt Signaling Augments Dopaminergic Differentiation of Neuronal Cells. Advanced Biosystems, 3(9), 1900091 - 1900091. https://doi.org/10.1002/adbi.201900091

Wnt signaling is a key developmental pathway that regulates dopaminergic progenitor cell proliferation and differentiation during neuronal development. This makes Wnt signaling an important therapeutic target for neurodegenerative conditions such as... Read More about Magnetic Mechanoactivation of Wnt Signaling Augments Dopaminergic Differentiation of Neuronal Cells.

Metal Ion Binding to the Amyloid ß Monomer Studied by Native Top-Down FTICR Mass Spectrometry. (2019)
Journal Article
Lermyte, F., Everett, J., Lam, Y., Wootton, C., Brooks, J., Barrow, M., …Collingwood, J. (2019). Metal Ion Binding to the Amyloid ß Monomer Studied by Native Top-Down FTICR Mass Spectrometry. Journal of The American Society for Mass Spectrometry, 30(10), 2123-2134. https://doi.org/10.1007/s13361-019-02283-7

Native top-down mass spectrometry is a fast, robust biophysical technique that can provide molecular-scale information on the interaction between proteins or peptides and ligands, including metal cations. Here we have analyzed complexes of the full-l... Read More about Metal Ion Binding to the Amyloid ß Monomer Studied by Native Top-Down FTICR Mass Spectrometry..

Correlative Spectromicroscopy and Tomography for Biomedical Applications involving Electron, Ion, and Soft X-ray Microscopies (2019)
Journal Article
Hitchcock, A. P., Wang, X., Grandfield, K., Everett, J., Collingwood, J. F., & Telling, N. D. (2019). Correlative Spectromicroscopy and Tomography for Biomedical Applications involving Electron, Ion, and Soft X-ray Microscopies. Microscopy Today, 27(2), https://doi.org/10.1017/S1551929518001256

Many important scientific and technical problems are best addressed using multiple, microscopy-based analytical techniques that combine the strengths of complementary methods. Here, we provide two examples from biomedical challenges: unravelling the... Read More about Correlative Spectromicroscopy and Tomography for Biomedical Applications involving Electron, Ion, and Soft X-ray Microscopies.

Nanoparticle-mediated magnetic hyperthermia is an effective method for killing the human-infective protozoan parasite Leishmania mexicana in vitro (2019)
Journal Article
Berry, S., Walker, K., Hoskins, C., Telling, N., & Price, H. (2019). Nanoparticle-mediated magnetic hyperthermia is an effective method for killing the human-infective protozoan parasite Leishmania mexicana in vitro. Scientific reports, 9, Article 1059. https://doi.org/10.1038/s41598-018-37670-9

Cutaneous leishmaniasis is a neglected tropical disease characterized by disfguring skin lesions. Current chemotherapeutic options depend on toxic, expensive drugs that are both difcult to administer and becoming less efective due to increasing level... Read More about Nanoparticle-mediated magnetic hyperthermia is an effective method for killing the human-infective protozoan parasite Leishmania mexicana in vitro.

The potential of magnetic hyperthermia for triggering the differentiation of cancer cells (2018)
Journal Article
Moise, S., Byrne, J. M., El Haj, A. J., & Telling, N. D. (2018). The potential of magnetic hyperthermia for triggering the differentiation of cancer cells. Nanoscale, 10(44), 20519-20525. https://doi.org/10.1039/c8nr05946b

Magnetic hyperthermia is a potential technique for cancer therapy that exploits heat generated by magnetic nanoparticles to kill cancerous cells. Many studies have shown that magnetic hyperthermia is effective at killing cancer cells both in vitro an... Read More about The potential of magnetic hyperthermia for triggering the differentiation of cancer cells.

Alternating current (AC) susceptibility as a particle-focused probe of coating and clustering behaviour in magnetic nanoparticle suspensions. (2018)
Journal Article
Narayanasamy, K. K., Cruz-Acuña, M., Rinaldi, C., Everett, J., Dobson, J., & Telling, N. (2018). Alternating current (AC) susceptibility as a particle-focused probe of coating and clustering behaviour in magnetic nanoparticle suspensions. Journal of Colloid and Interface Science, 532, 536 - 545. https://doi.org/10.1016/j.jcis.2018.08.014

HYPOTHESIS: The functionality of magnetic nanoparticles (MNPs) relies heavily on their surface coating, which in turn affects the interactions between MNPs, and the formation of single-core particles or multi-core clusters. In this study we assessed... Read More about Alternating current (AC) susceptibility as a particle-focused probe of coating and clustering behaviour in magnetic nanoparticle suspensions..

Nanoscale synchrotron X-ray speciation of iron and calcium compounds in amyloid plaque cores from Alzheimer’s disease subjects (2018)
Journal Article
Everett, J., Collingwood, J. F., Tjendana-Tjhin, V., Brooks, J., Lermyte, F., Plascencia-Villa, G., …Telling, N. D. (2018). Nanoscale synchrotron X-ray speciation of iron and calcium compounds in amyloid plaque cores from Alzheimer’s disease subjects. Nanoscale, 10(25), 11782-11796. https://doi.org/10.1039/c7nr06794a

Altered metabolism of biometals in the brain is a key feature of Alzheimer's disease, and biometal interactions with amyloid-ß are linked to amyloid plaque formation. Iron-rich aggregates, including evidence for the mixed-valence iron oxide magnetite... Read More about Nanoscale synchrotron X-ray speciation of iron and calcium compounds in amyloid plaque cores from Alzheimer’s disease subjects.

Translation of remote control regenerative technologies for bone repair. (2018)
Journal Article
Markides, H., McLaren, J. S., Telling, N. D., Alom, N., Al-Mutheffer, E. A., Oreffo, R. O., …El Haj, A. J. (2018). Translation of remote control regenerative technologies for bone repair. npj Regenerative Medicine, 3, Article 9. https://doi.org/10.1038/s41536-018-0048-1

The role of biomechanical stimuli, or mechanotransduction, in normal bone homeostasis and repair is understood to facilitate effective osteogenesis of mesenchymal stem cells (MSCs) in vitro. Mechanotransduction has been integrated into a multitude of... Read More about Translation of remote control regenerative technologies for bone repair..

Dynamical Magnetic Response of Iron Oxide Nanoparticles Inside Live Cells (2018)
Journal Article
Cabrera, D., Coene, A., Leliaert, J., Artés-Ibáñez, E. J., Dupré, L., Telling, N. D., & Teran, F. J. (2018). Dynamical Magnetic Response of Iron Oxide Nanoparticles Inside Live Cells. ACS nano, 12(3), 2741-2752. https://doi.org/10.1021/acsnano.7b08995

Magnetic nanoparticles exposed to alternating magnetic fields have shown a great potential acting as magnetic hyperthermia mediators for cancer treatment. However, a dramatic and unexplained reduction of the nanoparticle magnetic heating efficiency h... Read More about Dynamical Magnetic Response of Iron Oxide Nanoparticles Inside Live Cells.

Iron Biochemistry is Correlated with Amyloid Plaque Morphology in an Established Mouse Model of Alzheimer's Disease. (2017)
Journal Article
Telling, N., Everett, J., Collingwood, J. F., Dobson, J., van der Laan, G., Gallagher, J. J., …Hitchcock, A. P. (2017). Iron Biochemistry is Correlated with Amyloid Plaque Morphology in an Established Mouse Model of Alzheimer's Disease. Cell chemical biology, 24(10), 1205-1215. https://doi.org/10.1016/j.chembiol.2017.07.014

A signature characteristic of Alzheimer's disease (AD) is aggregation of amyloid-beta (Aß) fibrils in the brain. Nevertheless, the links between Aß and AD pathology remain incompletely understood. It has been proposed that neurotoxicity arising from... Read More about Iron Biochemistry is Correlated with Amyloid Plaque Morphology in an Established Mouse Model of Alzheimer's Disease..

Nanoscale correlation of iron biochemistry with amyloid plaque morphology in Alzheimer’s disease transgenic mouse cortex (2017)
Journal Article
Telling, N., Everett, J., Collingwood, J. F., Dobson, J., van der Laan, G., Gallagher, J. J., …Hitchcock, A. P. (2017). Nanoscale correlation of iron biochemistry with amyloid plaque morphology in Alzheimer’s disease transgenic mouse cortex. Cell chemical biology, 24(10), 1205-1215. https://doi.org/10.1016/j.chembiol.2017.07.014

A signature characteristic of Alzheimer's disease (AD) is aggregation of amyloid-beta (Aß) fibrils in the brain. Nevertheless, the links between Aß and AD pathology remain incompletely understood. It has been proposed that neurotoxicity arising from... Read More about Nanoscale correlation of iron biochemistry with amyloid plaque morphology in Alzheimer’s disease transgenic mouse cortex.

ADVANCES IN X-RAY MICROSCOPY FOR THE ANALYSIS OF TRANSITION METALS IN THE BRAIN (2017)
Presentation / Conference
Collingwood, J., Everett, J., Telling, N., & Adams, F. (2017, May). ADVANCES IN X-RAY MICROSCOPY FOR THE ANALYSIS OF TRANSITION METALS IN THE BRAIN. Poster presented at Seventh Congress of the International BioIron Society (IBIS) Biennial World Meeting (BioIron 2017)

Introduction: X-rays have the advantage that they have a short wavelength and can penetrate through a thick biological sample. It was the need to ‘see inside’ opaque objects, especially biological tissues, and to resolve features too small for optica... Read More about ADVANCES IN X-RAY MICROSCOPY FOR THE ANALYSIS OF TRANSITION METALS IN THE BRAIN.

The cellular magnetic response and biocompatibility of biogenic zinc- and cobalt-doped magnetite nanoparticles. (2017)
Journal Article
Moise, S., Céspedes, E., Soukup, D., Byrne, J. M., El Haj, A. J., & Telling, N. D. (2017). The cellular magnetic response and biocompatibility of biogenic zinc- and cobalt-doped magnetite nanoparticles. Scientific reports, 7, Article 39922. https://doi.org/10.1038/srep39922

The magnetic moment and anisotropy of magnetite nanoparticles can be optimised by doping with transition metal cations, enabling their properties to be tuned for different biomedical applications. In this study, we assessed the suitability of bacteri... Read More about The cellular magnetic response and biocompatibility of biogenic zinc- and cobalt-doped magnetite nanoparticles..

Iron Oxides in the Human Brain (2016)
Book Chapter
Collingwood, J. F., & Telling, N. D. Iron Oxides in the Human Brain. In Iron Oxides: From Nature to Applications (143-176). Wiley. https://doi.org/10.1002/9783527691395.ch7

The presence and formation of iron oxide in the human brain are of interest to those engaged in understanding fundamental processes of biomineralization and of iron metabolism in neurobiology and neuropathology. There is evidence for the formation of... Read More about Iron Oxides in the Human Brain.

'Stealth' nanoparticles evade neural immune cells but also evade all major brain cell populations: Implications for PEG-based neurotherapeutics (2016)
Journal Article
Jenkins, S., Weinberg, D., Al-Shakli, A., Fernandes, A., Yiu, H., Telling, N., …Chari, D. (2016). 'Stealth' nanoparticles evade neural immune cells but also evade all major brain cell populations: Implications for PEG-based neurotherapeutics. Journal of Controlled Release, 224, 136-145. https://doi.org/10.1016/j.jconrel.2016.01.013

Surface engineering to control cell behavior is of high interest across the chemical engineering, drug delivery and biomaterial communities. Defined chemical strategies are necessary to tailor nanoscale protein interactions/adsorption, enabling contr... Read More about 'Stealth' nanoparticles evade neural immune cells but also evade all major brain cell populations: Implications for PEG-based neurotherapeutics.

Remote Cell Activation for Bone Regeneration - a Pre Clinical Animal Study (2015)
Journal Article
Markides, H., Telling, N., Henstock, J., & El Haj, A. (2015). Remote Cell Activation for Bone Regeneration - a Pre Clinical Animal Study. Tissue Engineering Part A, 21, S7-S8

We aim to develop a cell-based injectable solution for treatment of non-union bone fractures. Our approach is based on the use of functionalised magnetic particles (MNPs) targeted to the TREK-1 mecho-sensative receptor on the mesenchymal stem cell (M... Read More about Remote Cell Activation for Bone Regeneration - a Pre Clinical Animal Study.

In Situ Measurement of Magnetization Relaxation of Internalized Nanoparticles in Live Cells. (2015)
Journal Article
Soukup, D., Moise, S., Céspedes, E., Dobson, J., & Telling, N. D. (2015). In Situ Measurement of Magnetization Relaxation of Internalized Nanoparticles in Live Cells. ACS nano, 9(1), 231-240. https://doi.org/10.1021/nn503888j

Magnetization relaxation mechanisms strongly influence how magnetic nanoparticles respond to high-frequency fields in applications such as magnetic hyperthermia. The dominant mechanism depends on the mobility of the particles, which will be affected... Read More about In Situ Measurement of Magnetization Relaxation of Internalized Nanoparticles in Live Cells..

Bacterially synthesized ferrite nanoparticles for magnetic hyperthermia applications (2014)
Journal Article
Céspedes, E., Byrne, J. M., Farrow, N., Moise, S., Coker, V. S., Bencsik, M., …Telling, N. D. (in press). Bacterially synthesized ferrite nanoparticles for magnetic hyperthermia applications. Nanoscale, 6(21), 12958-12970. https://doi.org/10.1039/c4nr03004d

Magnetic hyperthermia uses AC stimulation of magnetic nanoparticles to generate heat for cancer cell destruction. Whilst nanoparticles produced inside magnetotactic bacteria have shown amongst the highest reported heating to date, these particles are... Read More about Bacterially synthesized ferrite nanoparticles for magnetic hyperthermia applications.

Ferrous iron formation following the co-aggregation of ferric iron and the Alzheimer's disease peptide ß-amyloid (1-42). (2014)
Journal Article
Everett, & Telling. (2014). Ferrous iron formation following the co-aggregation of ferric iron and the Alzheimer's disease peptide ß-amyloid (1-42). https://doi.org/10.1098/rsif.2014.0165

For decades, a link between increased levels of iron and areas of Alzheimer's disease (AD) pathology has been recognized, including AD lesions comprised of the peptide ß-amyloid (Aß). Despite many observations of this association, the relationship be... Read More about Ferrous iron formation following the co-aggregation of ferric iron and the Alzheimer's disease peptide ß-amyloid (1-42)..

Evidence of redox-active iron formation following aggregation of ferrihydrite and the Alzheimer's disease peptide ß-amyloid. (2014)
Journal Article
Telling, & Everett. (2014). Evidence of redox-active iron formation following aggregation of ferrihydrite and the Alzheimer's disease peptide ß-amyloid. Inorganic Chemistry, 2803 - 2809. https://doi.org/10.1021/ic402406g

Recent work has demonstrated increased levels of redox-active iron biominerals in Alzheimer's disease (AD) tissue. However, the origin, nature, and role of iron in AD pathology remains unclear. Using X-ray absorption, X-ray microspectroscopy, and ele... Read More about Evidence of redox-active iron formation following aggregation of ferrihydrite and the Alzheimer's disease peptide ß-amyloid..

Biosynthesis of Zinc Substituted Magnetite Nanoparticles with Enhanced Magnetic Properties (2013)
Journal Article
Byrne, T. M., Coker, V. S., Cespedes, E., Wincott, P. L., Vaughan, D. J., Pattrick, R. A. D., …Telling, N. D. (2014). Biosynthesis of Zinc Substituted Magnetite Nanoparticles with Enhanced Magnetic Properties. Advanced functional materials, 24(17), 2518-2529. https://doi.org/10.1002/adfm.201303230

The magnetic moments of magnetite nanoparticles are dramatically enhanced through the addition of zinc in a microbiologically driven synthesis procedure. The particles are produced through the reduction of Fe(III)-compounds containing Zn(II) by the i... Read More about Biosynthesis of Zinc Substituted Magnetite Nanoparticles with Enhanced Magnetic Properties.

Controlled cobalt doping in biogenic magnetite nanoparticles (2013)
Journal Article
Byrne, J. M., Coker, V. S., Moise, S., Wincott, P. L., Vaughan, D. J., Tuna, F., …Telling, N. D. (2013). Controlled cobalt doping in biogenic magnetite nanoparticles. Journal of the Royal Society. Interface, 10(83), 20130134. https://doi.org/10.1098/rsif.2013.0134

Cobalt-doped magnetite (CoxFe3 −xO4) nanoparticles have been produced through the microbial reduction of cobalt–iron oxyhydroxide by the bacterium Geobacter sulfurreducens. The materials produced, as measured by superconducting quantum interference d... Read More about Controlled cobalt doping in biogenic magnetite nanoparticles.

Phase-resolved x-ray ferromagnetic resonance measurements of spin pumping in spin valve structures (2013)
Journal Article
Marcham, M. K., Shelford, L. R., Cavill, S. A., Keatley, P. S., Yu, W., Shafer, P., …Hicken, R. J. (2013). Phase-resolved x-ray ferromagnetic resonance measurements of spin pumping in spin valve structures. Physical review B: Condensed matter and materials physics, 87(18), https://doi.org/10.1103/physrevb.87.180403

Element-specific phase-resolved x-ray ferromagnetic resonance (FMR) was used to study spin pumping within Co 50 Fe 50 (3)/Cu(6)/Ni 80 Fe 20 (5) (thicknesses in nanometers) spin valve structures with large areas, so that edge effects typical o... Read More about Phase-resolved x-ray ferromagnetic resonance measurements of spin pumping in spin valve structures.

Influence of a Dy overlayer on the precessional dynamics of a ferromagnetic thin film (2013)
Journal Article
Marcham, M. K., Yu, W., Keatley, P. S., Shelford, L. R., Shafer, P., Cavill, S. A., …Hicken, R. J. (2013). Influence of a Dy overlayer on the precessional dynamics of a ferromagnetic thin film. Applied Physics Letters, 102(6), 062418. https://doi.org/10.1063/1.4792740

Precessional dynamics of a Co50Fe50(0.7)/Ni90Fe10(5)/Dy(1)/Ru(3) (thicknesses in nm) thin film have been explored by low temperature time-resolved magneto-optical Kerr effect and phase-resolved x-ray ferromagnetic resonance measurements. As the tempe... Read More about Influence of a Dy overlayer on the precessional dynamics of a ferromagnetic thin film.

Extracellular bacterial production of doped magnetite nanoparticles (2012)
Book Chapter
Pattrick, R. A. D., Coker, V. S., Pearce, C. I., Telling, N. D., van der Laan, G., & Lloyd, J. R. (2012). Extracellular bacterial production of doped magnetite nanoparticles. In Nanoscience: Volume 1: Nanostructures through Chemistry (102-115). Royal Society of Chemistry. https://doi.org/10.1039/9781849734844-00102

Microorganisms have been producing nanoparticles for billions of years and by controlling and tuning this productivity they have the potential to provide novel materials using environmentally friendly manufacturing pathways. Metal-reducing bacteria a... Read More about Extracellular bacterial production of doped magnetite nanoparticles.

Microbial Reduction of Arsenic-Doped Schwertmannite by Geobacter sulfurreducens (2012)
Journal Article
Cutting, R. S., Coker, V. S., Telling, N. D., Kimber, R. L., van der Laan, G., Pattrick, R. A. D., …Lloyd, J. R. (2012). Microbial Reduction of Arsenic-Doped Schwertmannite by Geobacter sulfurreducens. Environmental Science and Technology, 46(22), 12591-12599. https://doi.org/10.1021/es204596z

The fate of As(V) during microbial reduction by Geobacter sulfurreducens of Fe(III) in synthetic arsenic-bearing schwertmannites has been investigated. During incubation at pH7, the rate of biological Fe(III) reduction increased with increasing initi... Read More about Microbial Reduction of Arsenic-Doped Schwertmannite by Geobacter sulfurreducens.

Characterisation of the dissimilatory reduction of Fe(III)‐oxyhydroxide at the microbe – mineral interface: the application of STXM–XMCD (2012)
Journal Article
COKER, V. S., BYRNE, J. M., TELLING, N. D., VAN DER LAAN, G., LLOYD, J. R., HITCHCOCK, A. P., …PATTRICK, R. A. D. (2012). Characterisation of the dissimilatory reduction of Fe(III)‐oxyhydroxide at the microbe – mineral interface: the application of STXM–XMCD. Geobiology, 10(4), 347-354. https://doi.org/10.1111/j.1472-4669.2012.00329.x

A combination of scanning transmission X-ray microscopy and X-ray magnetic circular dichroism was used to spatially resolve the distribution of different carbon and iron species associated with Shewanella oneidensis MR-1 cells. S. oneidensis MR-1 cou... Read More about Characterisation of the dissimilatory reduction of Fe(III)‐oxyhydroxide at the microbe – mineral interface: the application of STXM–XMCD.

X-ray magnetic circular dichroism study of the blocking process in nanostructured iron-iron oxide core-shell systems (2011)
Journal Article
Jiménez-Villacorta, F., Prieto, C., Huttel, Y., Telling, N. D., & van der Laan, G. X-ray magnetic circular dichroism study of the blocking process in nanostructured iron-iron oxide core-shell systems. Physical review B: Condensed matter and materials physics, 84(17), https://doi.org/10.1103/physrevb.84.172404

Experimental evidence for magnetothermal behavior in iron-iron oxide nanostructured systems has been obtained using x-ray absorption spectroscopy (XAS) and x-ray magnetic circular dichroism (XMCD) at the Fe L 2 , 3 edges. The purpose of this s... Read More about X-ray magnetic circular dichroism study of the blocking process in nanostructured iron-iron oxide core-shell systems.

Control of nanoparticle size, reactivity and magnetic properties during the bioproduction of magnetite byGeobacter sulfurreducens (2011)
Journal Article
Byrne, J. M., Telling, N. D., Coker, V. S., Pattrick, R. A. D., van der Laan, G., Arenholz, E., …Lloyd, J. R. (2011). Control of nanoparticle size, reactivity and magnetic properties during the bioproduction of magnetite byGeobacter sulfurreducens. Nanotechnology, 22(45), Article 455709. https://doi.org/10.1088/0957-4484/22/45/455709

The bioproduction of nanoscale magnetite by Fe(III)-reducing bacteria offers a potentially tunable, environmentally benign route to magnetic nanoparticle synthesis. Here, we demonstrate that it is possible to control the size of magnetite nanoparticl... Read More about Control of nanoparticle size, reactivity and magnetic properties during the bioproduction of magnetite byGeobacter sulfurreducens.

Phase-resolved x-ray ferromagnetic resonance measurements in fluorescence yield (2011)
Journal Article
Marcham, M. K., Keatley, P. S., Neudert, A., Hicken, R. J., Cavill, S. A., Shelford, L. R., …Arenholz, E. (2011). Phase-resolved x-ray ferromagnetic resonance measurements in fluorescence yield. Journal of Applied Physics, 109(7), https://doi.org/10.1063/1.3567143

Phase-resolved x-ray ferromagnetic resonance (XFMR) has been measured in fluorescence yield, extending the application of XFMR to opaque samples on opaque substrates. Magnetization dynamics were excited in a Co50Fe50(0.7)/Ni90Fe10(5) bilayer by means... Read More about Phase-resolved x-ray ferromagnetic resonance measurements in fluorescence yield.

Anisotropic x-ray magnetic linear dichroism and spectromicroscopy of interfacial Co/NiO(001) (2011)
Journal Article
van der Laan, G., Telling, N. D., Potenza, A., Dhesi, S. S., & Arenholz, E. Anisotropic x-ray magnetic linear dichroism and spectromicroscopy of interfacial Co/NiO(001). Physical review B: Condensed matter and materials physics, 83(6), Article 064409. https://doi.org/10.1103/physrevb.83.064409

Photoemission electron microscopy (PEEM) with linearly polarized x rays is used to determine the orientation of antiferromagnetic domains by monitoring the relative peak intensities at the 3 d transition metal L 2 absorption edge. In such a... Read More about Anisotropic x-ray magnetic linear dichroism and spectromicroscopy of interfacial Co/NiO(001).

Compositional and structural medium energy ion scattering study of the temperature mediated diffusion determination at the Co/V interface in Co/V/MgO(100) (2010)
Journal Article
Díaz, M., Martínez, L., Román, E., Redondo-Cubero, A., Muñoz-Márquez, M., van der Laan, G., …Huttel, Y. (2010). Compositional and structural medium energy ion scattering study of the temperature mediated diffusion determination at the Co/V interface in Co/V/MgO(100). Surface Science, 604(23-24), 2177-2183. https://doi.org/10.1016/j.susc.2010.09.011

The impact of annealing at 300 °C on the elemental composition and the atomic structure of the Co/V interface in the 2.5 Å Co/70 Å V/MgO (100) system has been investigated by medium energy ion scattering (MEIS) using 100 keV He+ ions. By combining th... Read More about Compositional and structural medium energy ion scattering study of the temperature mediated diffusion determination at the Co/V interface in Co/V/MgO(100).

Microbial Engineering of Nanoheterostructures: Biological Synthesis of a Magnetically Recoverable Palladium Nanocatalyst (2010)
Journal Article
Coker, V. S., Bennett, J. A., Telling, N. D., Henkel, T., Charnock, J. M., van der Laan, G., …Lloyd, J. R. (2010). Microbial Engineering of Nanoheterostructures: Biological Synthesis of a Magnetically Recoverable Palladium Nanocatalyst. ACS Nano, 4(5), 2577-2584. https://doi.org/10.1021/nn9017944

Precious metals supported on ferrimagnetic particles have a diverse range of uses in catalysis. However, fabrication using synthetic methods results in potentially high environmental and economic costs. Here we show a novel biotechnological route for... Read More about Microbial Engineering of Nanoheterostructures: Biological Synthesis of a Magnetically Recoverable Palladium Nanocatalyst.

Fe site occupancy in magnetite-ulvospinel solid solutions: A new approach using X-ray magnetic circular dichroism (2010)
Journal Article
Pearce, C. I., Henderson, C. M. B., Telling, N. D., Pattrick, R. A., Charnock, J. M., Coker, V. S., …van der Laan, G. (2010). Fe site occupancy in magnetite-ulvospinel solid solutions: A new approach using X-ray magnetic circular dichroism. American Mineralogist, 95(4), 425-439. https://doi.org/10.2138/am.2010.3343

Ordering of Fe3+ and Fe2+ cations between octahedral and tetrahedral sites in synthetic members of the magnetite-ulvöspinel (Fe3O4-Fe2TiO4) solid-solution series was determined using Fe L2,3-edge X-ray magnetic circular dichroism (XMCD) coupled with... Read More about Fe site occupancy in magnetite-ulvospinel solid solutions: A new approach using X-ray magnetic circular dichroism.

Optimizing Cr(VI) and Tc(VII) Remediation through Nanoscale Biomineral Engineering (2010)
Journal Article
Cutting, R. S., Coker, V. S., Telling, N. D., Kimber, R. L., Pearce, C. I., Ellis, B. L., …Lloyd, J. R. (2010). Optimizing Cr(VI) and Tc(VII) Remediation through Nanoscale Biomineral Engineering. Environmental Science and Technology, 44(7), 2577-2584. https://doi.org/10.1021/es902119u

The influence of Fe(III) starting material on the ability of magnetically recoverable biogenic magnetites produced by Geobacter sulfurreducens to retain metal oxyanion contaminants has been investigated. The reduction/removal of aqueous Cr(VI) was us... Read More about Optimizing Cr(VI) and Tc(VII) Remediation through Nanoscale Biomineral Engineering.

Spectromicroscopy study of interfacial Co/NiO(001) (2010)
Journal Article
van der Laan, G., Telling, N. D., Potenza, A., Dhesi, S., & Arenholz, E. (2010). Spectromicroscopy study of interfacial Co/NiO(001). Physical Review B,

Photoemission electron microscopy (PEEM) with linearly polarized x-rays is used to determine the orientation of antiferromagnetic domains by monitoring the relative peak intensities at the 3d transition metal Lâ absorption edge. In such an analysis t... Read More about Spectromicroscopy study of interfacial Co/NiO(001).

Harnessing microbial subsurface metal reduction activities to synthesise nanoscale cobalt ferrite with enhanced magnetic properties (2009)
Journal Article
Coker, V. S., Telling, N. D., van der Laan, G., Pattrick, R. A., Pearce, C. I., Arenholz, E., …Lloyd, J. R. (2009). Harnessing microbial subsurface metal reduction activities to synthesise nanoscale cobalt ferrite with enhanced magnetic properties. Lawrence Berkeley National Laboratory,

Nanoscale ferrimagnetic particles have a diverse range of uses from directed cancer therapy and drug delivery systems to magnetic recording media and transducers. Such applications require the production of monodisperse nanoparticles with well-contro... Read More about Harnessing microbial subsurface metal reduction activities to synthesise nanoscale cobalt ferrite with enhanced magnetic properties.

Remediation of Cr(VI) by biogenic magnetic nanoparticles: An x-ray magnetic circular dichroism study (2009)
Journal Article
Telling, N. D., Coker, V. S., Cutting, R. S., van der Laan, G., Pearce, C. I., Pattrick, R. A. D., …Lloyd, J. R. (2009). Remediation of Cr(VI) by biogenic magnetic nanoparticles: An x-ray magnetic circular dichroism study. Applied Physics Letters, 95(16), https://doi.org/10.1063/1.3249578

Biologically synthesized magnetite nanoparticles are studied using x-ray absorption and x-ray magnetic circular dichroism following exposure to hexavalent Cr solution. By examining their magnetic state, Cr cations are shown to exist in trivalent f... Read More about Remediation of Cr(VI) by biogenic magnetic nanoparticles: An x-ray magnetic circular dichroism study.

Tunnel magnetoresistance in epitaxially grown magnetic tunnel junctions using Heusler alloy electrode and MgO barrier (2009)
Journal Article
Tsunegi, S., Sakuraba, Y., Oogane, M., Telling, N. D., Shelford, L. R., Arenholz, E., …Ando, Y. (2009). Tunnel magnetoresistance in epitaxially grown magnetic tunnel junctions using Heusler alloy electrode and MgO barrier. Journal of Physics D: Applied Physics, 42(19), Article 195004. https://doi.org/10.1088/0022-3727/42/19/195004

Epitaxially grown magnetic tunnel junctions (MTJs) with a stacking structure of Co2MnSi/MgO/CoFe were fabricated. Their tunnel magnetoresistance (TMR) effects were investigated. The TMR ratio and tunnelling conductance characteristics of MTJs were co... Read More about Tunnel magnetoresistance in epitaxially grown magnetic tunnel junctions using Heusler alloy electrode and MgO barrier.

Harnessing the Extracellular Bacterial Production of Nanoscale Cobalt Ferrite with Exploitable Magnetic Properties (2009)
Journal Article
Coker, V. S., Telling, N. D., van der Laan, G., Pattrick, R. A. D., Pearce, C. I., Arenholz, E., …Lloyd, J. R. (2009). Harnessing the Extracellular Bacterial Production of Nanoscale Cobalt Ferrite with Exploitable Magnetic Properties. ACS Nano, 3(7), 1922-1928. https://doi.org/10.1021/nn900293d

Nanoscale ferrimagnetic particles have a diverse range of uses from directed cancer therapy and drug delivery systems to magnetic recording media and transducers. Such applications require the production of monodisperse nanoparticles with well-contro... Read More about Harnessing the Extracellular Bacterial Production of Nanoscale Cobalt Ferrite with Exploitable Magnetic Properties.

Reductive Microbial Transformations of Iron Oxides; Engineering Biominerals for the Remediation of Metals and Organics (2009)
Presentation / Conference
Lloyd, J., Coker, V., Cutting, R., Hofstetter, T., Mosberger, L., Telling, N., …Vaughan, D. (2009, January). Reductive Microbial Transformations of Iron Oxides; Engineering Biominerals for the Remediation of Metals and Organics. Presented at Awards Ceremony Speeches and Abstracts of the 19th Annual V.M. Goldschmidt Conference, Davos, Switzerland

Growth and magnetic characterization of Co nanoparticles obtained by femtosecond pulsed laser deposition (2009)
Journal Article
Cebollada, A., García Martín, J. M., Clavero, C., Balcells, L., Estradé, S., Arbiol, J., …van der Laan, G. Growth and magnetic characterization of Co nanoparticles obtained by femtosecond pulsed laser deposition. Physical review B: Condensed matter and materials physics, 79(1), https://doi.org/10.1103/physrevb.79.014414

We present a detailed study on the morphology and magnetic properties of Co nanostructures deposited onto oxidized Si substrates by femtosecond pulsed laser deposition. Generally, Co disks of nanometric dimensions are obtained just above the ablation... Read More about Growth and magnetic characterization of Co nanoparticles obtained by femtosecond pulsed laser deposition.

Copyright notice (2008)
Journal Article
Gadsdon, M., Hooper, I., Sambles, J., Jewell, S., Hendry, E., Kostylev, M., …Mescheryakov, V. (2008). Copyright notice. Optics express, 16(10), 22003-22028

X-ray absorption and magnetic circular dichroism characterization of a novel ferromagnetic MnNx phase in Mn/Si3N4 multilayers (2008)
Journal Article
Céspedes, E., Huttel, Y., Martínez, L., de Andrés, A., Chaboy, J., Vila, M., …Prieto, C. (2008). X-ray absorption and magnetic circular dichroism characterization of a novel ferromagnetic MnNx phase in Mn/Si3N4 multilayers. Applied Physics Letters, 93(25), https://doi.org/10.1063/1.3050534

Ferromagnetism above room temperature has been observed in multilayered films for the first time. Characterization of the structural and electronic properties was performed to study the ferromagnetic behavior of this system. X-ray absorption spect... Read More about X-ray absorption and magnetic circular dichroism characterization of a novel ferromagnetic MnNx phase in Mn/Si3N4 multilayers.

Evidence of local moment formation in Co-based Heusler alloys (2008)
Journal Article
Telling, N. D., Keatley, P. S., van der Laan, G., Hicken, R. J., Arenholz, E., Sakuraba, Y., …Miyazaki, T. Evidence of local moment formation in Co-based Heusler alloys. Physical review B: Condensed matter and materials physics, 78(18), https://doi.org/10.1103/physrevb.78.184438

We examine the formation of local moments in Heusler alloys of the composition Co2MnZ (where Z=Si or Al) using the combined techniques of x-ray magnetic circular and linear dichroism. The existence of local moments in half-metallic Heusler alloys i... Read More about Evidence of local moment formation in Co-based Heusler alloys.

THE OXIDATION STATE OF COPPER AND COBALT IN CARROLLITE, CuCo2S4 (2008)
Journal Article
Pattrick, R. A., Coker, V. S., Pearce, C. I., Telling, N. D., & van der Laan, G. (2008). THE OXIDATION STATE OF COPPER AND COBALT IN CARROLLITE, CuCo2S4. Canadian Mineralogist, 46(5), 1317-1322. https://doi.org/10.3749/canmin.46.5.1317

Using X-ray absorption spectroscopy (XAS) at the Cu L2,3 and Co L2,3 edges, we demonstrate that the valence state of copper in the thiospinel carrollite (CuCo2S4) is Cu+ with a d count of Cu d9.8. The Co has a d count of d6.4, so that the highly cova... Read More about THE OXIDATION STATE OF COPPER AND COBALT IN CARROLLITE, CuCo2S4.

Interface alloying effects in the magnetic properties of Fe nanoislands capped with different materials (2008)
Journal Article
Huttel, Y., Navarro, E., Telling, N. D., van der Laan, G., Pigazo, F., Palomares, F. J., …Cebollada, A. Interface alloying effects in the magnetic properties of Fe nanoislands capped with different materials. Physical review B: Condensed matter and materials physics, 78(10), https://doi.org/10.1103/physrevb.78.104403

We show that Fe nanoislands capped with Al, Pd, and Pt protecting layers include an alloy at the interface with the capping layer, which explains the previously known capping layer dependence on the interparticle magnetic coupling. Vibrating sample m... Read More about Interface alloying effects in the magnetic properties of Fe nanoislands capped with different materials.

Probing the site occupancies of Co-, Ni-, and Mn-substituted biogenic magnetite using XAS and XMCD (2008)
Journal Article
Coker, V. S., Pearce, C. I., Pattrick, R. A., van der Laan, G., Telling, N. D., Charnock, J. M., …Lloyd, J. R. (2008). Probing the site occupancies of Co-, Ni-, and Mn-substituted biogenic magnetite using XAS and XMCD. American Mineralogist, 93(7), 1119-1132. https://doi.org/10.2138/am.2008.2681

Ferrimagnetic nanoparticles have many uses in industry including in magnetic recording media and transformers, however these particles are often expensive to synthesize. In this study, the Fe3+-reducing bacteria Geobacter sulfurreducens and Shewanell... Read More about Probing the site occupancies of Co-, Ni-, and Mn-substituted biogenic magnetite using XAS and XMCD.

Temperature dependence of the interface moments in Co2MnSi thin films (2008)
Journal Article
Telling, N. D., Keatley, P. S., Shelford, L. R., Arenholz, E., van der Laan, G., Hicken, R. J., …Miyazaki, T. (2008). Temperature dependence of the interface moments in Co2MnSi thin films. Applied Physics Letters, 92(19), https://doi.org/10.1063/1.2927482

X-ray magnetic circular dichroism (XMCD) is utilized to explore the temperature dependence of the interface moments in (CMS) thin films capped with aluminum. By increasing the thickness of the capping layer, we demonstrate enhanced interface sensi... Read More about Temperature dependence of the interface moments in Co2MnSi thin films.

Morphology and capping effects in the magnetic and magneto-optical properties of nanoparticulate Co films (2008)
Journal Article
Clavero, C., Martínez, L., García-Martín, A., García-Martín, J. M., Huttel, Y., Telling, N. D., …Armelles, G. Morphology and capping effects in the magnetic and magneto-optical properties of nanoparticulate Co films. Physical review B: Condensed matter and materials physics, 77(9), https://doi.org/10.1103/physrevb.77.094417

Magnetic and magneto-optical properties of Co films are studied as a function of the morphology and the capping layer. We show that the nanoparticulate structure of the Co films has a clear influence on the magnetic and magneto-optical properties of... Read More about Morphology and capping effects in the magnetic and magneto-optical properties of nanoparticulate Co films.

Controlled cobalt doping of magnetosomes in vivo (2008)
Journal Article
Staniland, S., Williams, W., Telling, N., Van Der Laan, G., Harrison, A., & Ward, B. (2008). Controlled cobalt doping of magnetosomes in vivo. Nature Nanotechnology, 3(3), 158-162. https://doi.org/10.1038/nnano.2008.35

Magnetotactic bacteria biomineralize iron into magnetite (Fe3O4) nanoparticles that are surrounded by lipid vesicles. These ‘magnetosomes’ have considerable potential for use in bio- and nanotechnological applications because of their narrow size and... Read More about Controlled cobalt doping of magnetosomes in vivo.

Rapid magnetosome formation shown by real-time x-ray magnetic circular dichroism (2007)
Journal Article
Staniland, S., Ward, B., Harrison, A., van der Laan, G., & Telling, N. (2007). Rapid magnetosome formation shown by real-time x-ray magnetic circular dichroism. Proceedings of the National Academy of Sciences of the United States of America, 104(49), 19524-19528. https://doi.org/10.1073/pnas.0704879104

Magnetosomes are magnetite nanoparticles formed by biomineralization within magnetotactic bacteria. Although there have been numerous genetic and proteomic studies of the magnetosome-formation process, there have been only limited and inconclusive st... Read More about Rapid magnetosome formation shown by real-time x-ray magnetic circular dichroism.

Cation site occupancy of biogenic magnetite compared to polygenic ferrite spinels determined by X-ray magnetic circular dichroism (2007)
Journal Article
Coker, V. S., Pearce, C. I., Lang, C., van der Laan, G., Pattrick, R. A., Telling, N. D., …Lloyd, J. R. (2007). Cation site occupancy of biogenic magnetite compared to polygenic ferrite spinels determined by X-ray magnetic circular dichroism. European Journal of Mineralogy, 19(5), 707-716. https://doi.org/10.1127/0935-1221/2007/0019-1758

Ferrite spinels, especially magnetite (Fe3O4), can be formed either by geological, biological or chemical processes leading to chemically similar phases that show different physical characteristics. We compare, for the first time, magnetite produced... Read More about Cation site occupancy of biogenic magnetite compared to polygenic ferrite spinels determined by X-ray magnetic circular dichroism.

Nano-spinel synthesis using Fe (III)-reducing bacteria (2007)
Presentation / Conference
Coker, V., Pearce, C., Pattrick, R., Laan, G., Telling, N., Charnock, J., & Arenholz, E. L. (2007, August). Nano-spinel synthesis using Fe (III)-reducing bacteria. Presented at Awards Ceremony Speeches and Abstracts of the 17th Annual V. M. Goldschmidt Conference, Cologne, Germany

Ion irradiation and thermally induced mixing of CoCrPt∕Cr multilayered films (2007)
Journal Article
Georgieva, M. T., Grundy, P. J., & Telling, N. D. (2007). Ion irradiation and thermally induced mixing of CoCrPt∕Cr multilayered films. Applied Physics Letters, 90(4), https://doi.org/10.1063/1.2432256

A set of multilayered films with variable layer thicknesses has been used in an investigation of interlayer mixing and “patterning” of samples with relatively high coercivity and in-plane magnetization. The multilayers with the highest coercivitie... Read More about Ion irradiation and thermally induced mixing of CoCrPt∕Cr multilayered films.

Interfacial structure and half-metallic ferromagnetism inCo2MnSi-based magnetic tunnel junctions (2006)
Journal Article
Telling, N. D., Keatley, P. S., van der Laan, G., Hicken, R. J., Arenholz, E., Sakuraba, Y., …Miyazaki, T. Interfacial structure and half-metallic ferromagnetism inCo2MnSi-based magnetic tunnel junctions. Physical review B: Condensed matter and materials physics, 74(22), https://doi.org/10.1103/physrevb.74.224439

X-ray absorption (XAS) and x-ray magnetic circular dichroism (XMCD) techniques are utilized to explore the ferromagnetic/barrier interface in Co 2 Mn Si full Heusler alloy magnetic tunnel junctions. Structural and magnetic properties of the in... Read More about Interfacial structure and half-metallic ferromagnetism inCo2MnSi-based magnetic tunnel junctions.

XAS and XMCD Evidence for Species-Dependent Partitioning of Arsenic During Microbial Reduction of Ferrihydrite to Magnetite (2006)
Journal Article
Coker, V. S., Gault, A. G., Pearce, C. I., van der Laan, G., Telling, N. D., Charnock, J. M., …Lloyd, J. R. (2006). XAS and XMCD Evidence for Species-Dependent Partitioning of Arsenic During Microbial Reduction of Ferrihydrite to Magnetite. Environmental Science and Technology, 40(24), 7745-7750. https://doi.org/10.1021/es060990%2B

Poorly crystalline Fe(III) oxyhydroxides, ubiquitously distributed as mineral coatings and discrete particles in aquifer sediments, are well-known hosts of sedimentary As. Microbial reduction of these phases is widely thought to be responsible for th... Read More about XAS and XMCD Evidence for Species-Dependent Partitioning of Arsenic During Microbial Reduction of Ferrihydrite to Magnetite.

Facility for combined in situ magnetron sputtering and soft x-ray magnetic circular dichroism (2006)
Journal Article
Telling, N. D., van der Laan, G., Georgieva, M. T., & Farley, N. R. S. (2006). Facility for combined in situ magnetron sputtering and soft x-ray magnetic circular dichroism. Review of Scientific Instruments, 77(7), https://doi.org/10.1063/1.2219719

An ultrahigh vacuum chamber that enables the in situ growth of thin films and multilayers by magnetron sputtering techniques is described. Following film preparation, x-ray absorption spectroscopy (XAS) and x-ray magnetic circular dichroism (XMCD) me... Read More about Facility for combined in situ magnetron sputtering and soft x-ray magnetic circular dichroism.

Evidence of a barrier oxidation dependence on the interfacial magnetism in Co/alumina based magnetic tunnel junctions (2006)
Journal Article
Telling, N. D., van der Laan, G., Ladak, S., Hicken, R. J., & Arenholz, E. (2006). Evidence of a barrier oxidation dependence on the interfacial magnetism in Co/alumina based magnetic tunnel junctions. Journal of Applied Physics, 99(8), https://doi.org/10.1063/1.2171002

edge have been applied to explore the near-interfacial magnetism of Co electrodes in Co/alumina based magnetic tunnel junctions. By taking into account the formation of CoO at the ferromagnetic (FM)/barrier interface, the change in the total magneti... Read More about Evidence of a barrier oxidation dependence on the interfacial magnetism in Co/alumina based magnetic tunnel junctions.

A link between the coercivity and microstructure of high moment Fe films and their use in magnetic tunnel junctions (2005)
Journal Article
Georgieva, M., Telling, N., & Grundy, P. (2006). A link between the coercivity and microstructure of high moment Fe films and their use in magnetic tunnel junctions. Materials Science and Engineering: B, 126(2-3), 287-291. https://doi.org/10.1016/j.mseb.2005.09.026

Magnetron sputtered single Fe films have been “softened” magnetically by controlled N-doping during the sputter deposition. This technique allows a reduction in grain size and coercivity of the Fe films, without decreasing the saturation magnetizatio... Read More about A link between the coercivity and microstructure of high moment Fe films and their use in magnetic tunnel junctions.

Probing magnetic ordering in multilayers using soft x-ray resonant magnetic scattering (2005)
Journal Article
Marrows, C. H., Steadman, P., Hampson, A. C., Michez, L., Hickey, B. J., Telling, N. D., …Langridge, S. Probing magnetic ordering in multilayers using soft x-ray resonant magnetic scattering. Physical review B: Condensed matter and materials physics, 72(2), Article 024421. https://doi.org/10.1103/physrevb.72.024421

We have carried out resonant magnetic x-ray scattering from Co ∕ Ru multilayers with weak antiferromagnetic coupling. We have measured hysteresis loops at different points in reciprocal space (specular or diffuse, integer or half-order peaks),... Read More about Probing magnetic ordering in multilayers using soft x-ray resonant magnetic scattering.

Spin polarization and barrier-oxidation effects at the Co∕alumina interface in magnetic tunnel junctions (2004)
Journal Article
Telling, N. D., van der Laan, G., Ladak, S., & Hicken, R. J. (2004). Spin polarization and barrier-oxidation effects at the Co∕alumina interface in magnetic tunnel junctions. Applied Physics Letters, 85(17), 3803-3805. https://doi.org/10.1063/1.1812383

The electronic structure and polarization in magnetic tunnel junctions prepared with varying degrees of barrier-layer oxidation have been studied using x-ray absorption spectroscopy across the   absorption edges. It was found that the electron... Read More about Spin polarization and barrier-oxidation effects at the Co∕alumina interface in magnetic tunnel junctions.

Magnetically soft, high moment grain-refined Fe films: Application to magnetic tunnel junctions (2004)
Journal Article
Georgieva, M. T., Telling, N. D., Grundy, P. J., Faunce, C. A., & Jones, G. A. (2004). Magnetically soft, high moment grain-refined Fe films: Application to magnetic tunnel junctions. Journal of Applied Physics, 96(5), 2923-2926. https://doi.org/10.1063/1.1776627

The effect of -doping on the microstructure and magnetic properties of thin layers has been employed to construct all -electrode magnetic tunnel junctions that displayed the tunneling magnetoresistance (TMR) effect. Using low nitrogen doses, a... Read More about Magnetically soft, high moment grain-refined Fe films: Application to magnetic tunnel junctions.

Fe M2,3 X-ray resonant magnetic reflectivity on epitaxial Fe3−δO4 thin films (2003)
Journal Article
Telling, N., Haznar, A., van der Laan, G., Roper, M., Schedin, F., & Thornton, G. (2004). Fe M2,3 X-ray resonant magnetic reflectivity on epitaxial Fe3−δO4 thin films. Physica B: Condensed Matter, 345(1-4), 157-160. https://doi.org/10.1016/j.physb.2003.11.044

We report the use of soft X-ray resonant reflectivity at the Fe M2,3 edges to probe the magnetic circular dichroism of non-stoichiometric Fe3−δO4 thin films grown epitaxially on Al2O3. Photon energy scans of the magnetic dichroism display features th... Read More about Fe M2,3 X-ray resonant magnetic reflectivity on epitaxial Fe3−δO4 thin films.

Effect of local variations in interlayer coupling on magnetization reversal in spin-valve multilayers (2003)
Journal Article
Telling, N., Jones, G., Georgieva, M., & Grundy, P. (2004). Effect of local variations in interlayer coupling on magnetization reversal in spin-valve multilayers. Journal of Magnetism and Magnetic Materials, 272-276, 1274-1275. https://doi.org/10.1016/j.jmmm.2003.12.452

Using a simple phenomenological model we have studied magnetization reversal in spin-valve systems in the presence of local variations in interlayer coupling. By considering a Gaussian distribution of the coupling energy it is shown that for a suffic... Read More about Effect of local variations in interlayer coupling on magnetization reversal in spin-valve multilayers.

Induced V and reduced Co magnetic moments at the V/Co interface (2003)
Journal Article
Huttel, Y., van der Laan, G., Johal, T. K., Telling, N. D., & Bencok, P. Induced V and reduced Co magnetic moments at the V/Co interface. Physical Review B (Condensed Matter), 68(17), https://doi.org/10.1103/physrevb.68.174405

Using x-ray magnetic circular dichroism (XMCD) the vanadium and cobalt magnetic moments at the V/Co interface have been extracted for different V and Co thicknesses. We find a large magnetic moment induced on the V that is coupled antiferromagnetic t... Read More about Induced V and reduced Co magnetic moments at the V/Co interface.

Ion irradiation of Co/Pt multilayer films (2003)
Journal Article
Bonder, M. J., Telling, N. D., Grundy, P. J., Faunce, C. A., Shen, T., & Vishnyakov, V. M. (2003). Ion irradiation of Co/Pt multilayer films. Journal of Applied Physics, 93(10), 7226-7228. https://doi.org/10.1063/1.1557311

This article describes a microstructural and magnetic investigation of the modification of Co/Pt multilayer films by Ar ion irradiation which results in a change of the orientation of the magnetization from perpendicular to the film plane to the in-p... Read More about Ion irradiation of Co/Pt multilayer films.

Observation of ion beam induced magnetic patterning using off-specular polarized neutron reflectometry (2003)
Journal Article
Telling, N. D., Langridge, S., Dalgliesh, R. M., Grundy, P. J., & Vishnyakov, V. M. (2003). Observation of ion beam induced magnetic patterning using off-specular polarized neutron reflectometry. Journal of Applied Physics, 93(10), 7420-7422. https://doi.org/10.1063/1.1544496

The long-range magnetic structure in Co/Pt multilayers magnetically patterned by ion irradiation is observed by off-specular polarized neutron reflectivity. While both specular and off-specular measurements indicate the formation of an artificial dom... Read More about Observation of ion beam induced magnetic patterning using off-specular polarized neutron reflectometry.

Spin-valve magnetization reversal obtained by N-doping in Fe/insulator/Fe trilayers (2003)
Journal Article
Georgieva, M. T., Telling, N. D., Jones, G. A., Grundy, P. J., Hase, T. P. A., & Tanner, B. K. (2003). Spin-valve magnetization reversal obtained by N-doping in Fe/insulator/Fe trilayers. Journal of Physics: Condensed Matter, 15(4), 617-624. https://doi.org/10.1088/0953-8984/15/4/302

The effect of N-doping on the microstructure and coercivity of the 'free' Fe layer in Fe/insulator/Fe trilayers has been examined. It was found that N-doping leads to a magnetic softening of the Fe layer and a corresponding reduction in the grain siz... Read More about Spin-valve magnetization reversal obtained by N-doping in Fe/insulator/Fe trilayers.

Synchrotron X-ray diffraction measurements of the FCC/FCT phase transformation in PtMnCr pinning layers (2001)
Journal Article
Holloway, L., Laidler, H., Hughes, T., Telling, N., Linville, E., Mao, S., & Kief, M. (2002). Synchrotron X-ray diffraction measurements of the FCC/FCT phase transformation in PtMnCr pinning layers. Journal of Magnetism and Magnetic Materials, 242-245, 1112-1114. https://doi.org/10.1016/s0304-8853%2801%2901120-9

We examine the change in structure of the pinning layer of PtMnCr/NiFe bilayers in the as-deposited state and upon annealing, using synchrotron radiation. The X-ray measurements show that the degree of transformation of the FCC phase of PtMnCr to the... Read More about Synchrotron X-ray diffraction measurements of the FCC/FCT phase transformation in PtMnCr pinning layers.

Role of crystallographic structure on magnetization reversal of (101̄0) and (112̄0) textured thin film media (2001)
Journal Article
Holloway, L., Laidler, H., Telling, N. D., & Wu, S. Z. (2001). Role of crystallographic structure on magnetization reversal of (101̄0) and (112̄0) textured thin film media. Journal of Applied Physics, 90(8), 4056-4062. https://doi.org/10.1063/1.1400101

In this study we examine the role of crystallographic structure on the magnetization reversal of two CoCrPtTa thin films grown on different underlayers which provide either a [112̄0] or a [101̄0] preferred orientation. We report synchrotron x-ray mea... Read More about Role of crystallographic structure on magnetization reversal of (101̄0) and (112̄0) textured thin film media.

Preparation of short-period Fe-N magnetic multilayers using an atomic nitrogen beam (2001)
Journal Article
Telling, N., Bonder, M., Jones, G., Faunce, C., Grundy, P., Lord, D., & Joyce, D. (2001). Preparation of short-period Fe-N magnetic multilayers using an atomic nitrogen beam. IEEE Transactions on Magnetics, 37(4), 2308-2310. https://doi.org/10.1109/20.951156

Magnetic multilayers containing Fe-N layers with bilayer periods of between /spl sim/15-84 /spl Aring/ and sharp interfaces, are successfully grown using an atomic (free radical) nitrogen beam. The phase composition and microstructure is found to be... Read More about Preparation of short-period Fe-N magnetic multilayers using an atomic nitrogen beam.

Interdiffusion in direct ion beam deposited isotopic Fe/Si trilayers (2001)
Journal Article
Telling, N. D., Faunce, C. A., Bonder, M. J., Grundy, P. J., Lord, D. G., Van den Berg, J. A., & Langridge, S. (2001). Interdiffusion in direct ion beam deposited isotopic Fe/Si trilayers. Journal of Applied Physics, 89(11), 7074-7076. https://doi.org/10.1063/1.1357151

Interdiffusion and intermixing have been examined in Fe/Si trilayers prepared with ions of different energies, using the direct ion beam deposition technique. Isotope-pure layers were deposited and spin-polarized neutron reflectivity used to determin... Read More about Interdiffusion in direct ion beam deposited isotopic Fe/Si trilayers.

Fe–N alloy films prepared using a nitrogen atom source (2001)
Journal Article
Telling, N., Jones, G., Grundy, P., & Blythe, H. (2001). Fe–N alloy films prepared using a nitrogen atom source. Journal of Magnetism and Magnetic Materials, 226-230, 1659-1661. https://doi.org/10.1016/s0304-8853%2800%2901103-3

We have studied the magnetic and structural properties of Fe–N alloy films prepared by magnetron sputtering in the presence of a highly reactive beam of atomic nitrogen. The nitrogen content was varied by altering the exposure time of the growing fil... Read More about Fe–N alloy films prepared using a nitrogen atom source.

Microstructure of Fe–N thin films prepared using an atomic nitrogen beam (2001)
Journal Article
Telling, N. D., Jones, G. A., Faunce, C. A., Grundy, P. J., Blythe, H. J., & Joyce, D. E. (2001). Microstructure of Fe–N thin films prepared using an atomic nitrogen beam. Journal of Vacuum Science and Technology A, 19(2), 405-409. https://doi.org/10.1116/1.1339016

The formation of Fe–N thin films by exposure to an atomic (free radical) nitrogen beam is reported. This new method of preparing Fe–N films uses fluxes of highly reactive, thermal energy N atoms that do not disturb the film microstructure. It is show... Read More about Microstructure of Fe–N thin films prepared using an atomic nitrogen beam.

Spin polarised neutron and X-ray reflectivity study of a Co/Cu multilayer deposited under ion bombardment (1999)
Journal Article
Telling, N., Langridge, S., & Tang, C. (1999). Spin polarised neutron and X-ray reflectivity study of a Co/Cu multilayer deposited under ion bombardment. Journal of Magnetism and Magnetic Materials, 198-199, 692-694. https://doi.org/10.1016/s0304-8853%2898%2901204-9

Spin polarised neutron reflectivity and X-ray reflectivity measurements were performed on a Co/Cu multilayer deposited under ion bombardment. It was found that an average ion energy of ∼200 eV caused a reduction in interface roughness towards the sur... Read More about Spin polarised neutron and X-ray reflectivity study of a Co/Cu multilayer deposited under ion bombardment.

The effect of energetic ion bombardment during growth on the interface structure of Co/Cu multilayers (1999)
Journal Article
Telling, N., Karlsson, C., Crapper, M., & Tang, C. (1999). The effect of energetic ion bombardment during growth on the interface structure of Co/Cu multilayers. Journal of Magnetism and Magnetic Materials, 198-199, 713-715. https://doi.org/10.1016/s0304-8853%2898%2901015-4

A modified unbalanced magnetron sputtering technique was applied to the growth of multilayer Co/Cu films in order to systematically study the interface structure evolved under ion bombardment. X-ray reflectivity measurements revealed an interface smo... Read More about The effect of energetic ion bombardment during growth on the interface structure of Co/Cu multilayers.

Reflectivity and diffraction study of Co/Cu multilayer using synchrotron X-rays (1999)
Journal Article
Tang, C., MacLean, E., & Telling, N. (1999). Reflectivity and diffraction study of Co/Cu multilayer using synchrotron X-rays. Journal of Magnetism and Magnetic Materials, 198-199, 653-655. https://doi.org/10.1016/s0304-8853%2898%2901176-7

Synchrotron powder diffraction measurements were obtained from a Co/Cu multilayer produced by low energy ion-assisted deposition. The experiment was carried out on the high resolution diffractometer on Station 2.3 at the SRS, Daresbury Laboratory. Ex... Read More about Reflectivity and diffraction study of Co/Cu multilayer using synchrotron X-rays.

Multilayer growth by low energy ion beam deposition (1999)
Journal Article
Joyce, D., Telling, N., Van den Berg, J., Lord, D., & Grundy, P. (1999). Multilayer growth by low energy ion beam deposition. Journal of Magnetism and Magnetic Materials, 198-199, 731-733. https://doi.org/10.1016/s0304-8853%2898%2901021-x

We report our progress in the development of a relatively new deposition technique, that of direct low energy ion beam deposition. We describe this technique, which is based on ion implanter technology similar to that used in the semiconductor indust... Read More about Multilayer growth by low energy ion beam deposition.

Synchrotron X-ray reflectivity study of Co/Cu multilayer structure (1998)
Journal Article
Tang, C., Telling, N., & Langridge, S. (1998). Synchrotron X-ray reflectivity study of Co/Cu multilayer structure. Physica B: Condensed Matter, 248(1-4), 395-398. https://doi.org/10.1016/s0921-4526%2898%2900270-1

We report on the use of Station 2.3 at the SRS Daresbury Laboratory as a high resolution reflectivity diffractometer (HRRD) for the study of interfacial structure in a Co/Cu multilayer grown using the ion-assisted deposition method. Specular, off-spe... Read More about Synchrotron X-ray reflectivity study of Co/Cu multilayer structure.

Microstructural modification in Co/Cu multilayers prepared by low energy ion-assisted deposition (1998)
Journal Article
Telling, N., Crapper, M., Lovett, D., Guilfoyle, S., Tang, C., & Petty, M. (1998). Microstructural modification in Co/Cu multilayers prepared by low energy ion-assisted deposition. Thin Solid Films, 317(1-2), 278-281. https://doi.org/10.1016/s0040-6090%2897%2900537-3

The microstructure of Co/Cu multilayers deposited by low energy ion-assisted deposition was investigated. The samples studied were grown by unbalanced magnetron sputtering with and without an applied d.c. substrate bias of −50 V. Specular and off-spe... Read More about Microstructural modification in Co/Cu multilayers prepared by low energy ion-assisted deposition.

Interface modification in Co/Cu multilayers prepared by ion-assisted deposition (1998)
Thesis
Telling, N. Interface modification in Co/Cu multilayers prepared by ion-assisted deposition. (Thesis). Loughborough University. Retrieved from https://keele-repository.worktribe.com/output/828742

The interfacial structure of Co/Cu multilayers deposited under energetic ion bombardment has been investigated using X-ray reflectivity techniques. An ionassisted deposition system, based on unbalanced magnetron sputtering principles, has been develo... Read More about Interface modification in Co/Cu multilayers prepared by ion-assisted deposition.

Evidence of roughness distributions and interface smoothing in Co/Cu multilayers deposited under energetic particle bombardment (1998)
Journal Article
Telling, N. D., Guilfoyle, S. J., Lovett, D. R., Tang, C. C., Crapper, M. D., & Petty, M. (1998). Evidence of roughness distributions and interface smoothing in Co/Cu multilayers deposited under energetic particle bombardment. Journal of Physics D: Applied Physics, 31(5), 472-481. https://doi.org/10.1088/0022-3727/31/5/002

The interfacial structure of Co/Cu multilayers deposited under energetic particle bombardment is investigated using x-ray reflectivity. The energetic bombardment is varied by controlling the ion bombardment of the growing film. Specially modified unb... Read More about Evidence of roughness distributions and interface smoothing in Co/Cu multilayers deposited under energetic particle bombardment.

High resolution reflectivity diffractometer on Station 2.3 (Daresbury Laboratory) (1998)
Journal Article
Tang, C. C., Collins, S. P., Murphy, B. M., Telling, N. D., Wogelius, R. A., & Teat, S. J. (1998). High resolution reflectivity diffractometer on Station 2.3 (Daresbury Laboratory). Review of Scientific Instruments, 69(3), 1224-1229. https://doi.org/10.1063/1.1148754

A high resolution reflectivity diffractometer (HRRD) has been recently commissioned on Station 2.3 at the SRS, Daresbury Laboratory. Using the instrument which is x-ray wavelength tunable, the characterization of the interface structure in an ion-ass... Read More about High resolution reflectivity diffractometer on Station 2.3 (Daresbury Laboratory).

Simple method for the control of substrate ion fluxes using an unbalanced magnetron (1998)
Journal Article
Telling, N. D., Petty, M., & Crapper, M. D. (1998). Simple method for the control of substrate ion fluxes using an unbalanced magnetron. Journal of Vacuum Science and Technology A, 16(1), 145-147. https://doi.org/10.1116/1.580962

Substrate ion fluxes from unbalanced magnetron sources are generally controlled by the use of additional magnetic fields. These methods are not always suitable for differentially controlling the ionic flux from multiple sources. We report here a simp... Read More about Simple method for the control of substrate ion fluxes using an unbalanced magnetron.

A photoemission investigation of the valence band electronic structure of and (1997)
Journal Article
Brown, D., Crapper, M. D., Bedwell, K. H., Petty, M., Smith, J. G., & Telling, N. D. (1997). A photoemission investigation of the valence band electronic structure of and. Journal of Physics: Condensed Matter, 9(14), 2955-2961. https://doi.org/10.1088/0953-8984/9/14/010

The valence bands of the intermetallic compounds and have been investigated by ultraviolet photoemission utilizing synchrotron radiation. The valence bands of both alloys have a width of 7 - 8 eV with a prominent peak at a binding energy of 2.6 eV... Read More about A photoemission investigation of the valence band electronic structure of and.

The experimental density of states of Pd 4d and Ti 3d in the intermetallic compound (1996)
Journal Article
Liddiard, A. J., Brown, D., Crapper, M. D., Petty, M., Smith, J. G., Telling, N. D., …Skull, P. A. (1996). The experimental density of states of Pd 4d and Ti 3d in the intermetallic compound. Journal of Physics: Condensed Matter, 8(21), 3955-3962. https://doi.org/10.1088/0953-8984/8/21/020

Photoemission measurements have been made of the intermetallic compound utilizing synchrotron radiation in the energy range 40 - 180 eV. The valence band extends to a binding energy of 7 eV. Measurements made at the Cooper minimum for Pd 4d indicate... Read More about The experimental density of states of Pd 4d and Ti 3d in the intermetallic compound.

Photoemission studies of the Pt 3 Cr(110) surface (1995)
Journal Article
Liddiard, A., Crapper, M., Hucknall, P., Petty, M., Skull, P., Telling, N., & Patel, R. (1995). Photoemission studies of the Pt 3 Cr(110) surface. Surface Science, 331-333, 794-798. https://doi.org/10.1016/0039-6028%2895%2900341-x

Ultraviolet photoemission spectroscopy measurements have been made of the electronic structure of the (110) surface of the ferrimagnetic alloy Pt3Cr in the photon energy range 40 to 180 eV. The measurements indicate that the Pt and Cr d bands complet... Read More about Photoemission studies of the Pt 3 Cr(110) surface.

Ultraviolet photoemission studies of the Pd2TiAl Heusler alloy (1995)
Journal Article
Liddiard, A., Crapper, M., Telling, N., Skull, P., Petty, M., Zayer, N., …Ziebeck, K. (1995). Ultraviolet photoemission studies of the Pd2TiAl Heusler alloy. Journal of Magnetism and Magnetic Materials, 140-144, 187-188. https://doi.org/10.1016/0304-8853%2894%2901075-7

The valence band of the ferromagnetic Heusler alloy Pd2TiAl has been investigated using synchrotron radiation ultraviolet photoemission spectroscopy. By use of the Cooper minimum for palladium it was found that the Fermi level of the material is domi... Read More about Ultraviolet photoemission studies of the Pd2TiAl Heusler alloy.