Outputs (115)

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).

Optimizing Cr(VI) bioremediation through nanoscale bionanomineral engineering (2009)
Presentation / Conference
Cutting, R. S., Coker, V. S., Kimber, R. L., Telling, N. D., Pearce, C. I., Arenholz, E., …Lloyd, J. R. (2009, December). Optimizing Cr(VI) bioremediation through nanoscale bionanomineral engineering

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.