Outputs (116)

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.

X-ray magnetic dichroism studies of half-metallic Heusler alloys and magnetic tunnel junctions (2008)
Journal Article
Telling, N. D., Keatley, P. S., Laan, G. . V. D., Hicken, R. . J., Arenholz, E., Sakuraba, Y., …Miyazaki, T. (2008). X-ray magnetic dichroism studies of half-metallic Heusler alloys and magnetic tunnel junctions. Lawrence Berkeley National Laboratory,

Extremely Large Spin-Polarization in Co~ 2MnSi Based Magnetic Tunnel Junctions (2007)
Journal Article
Sakuraba, Y., Hattori, M., Oogane, M., Kubota, H., Ando, Y., Sakuma, A., …Miyazaki, T. (2007). Extremely Large Spin-Polarization in Co~ 2MnSi Based Magnetic Tunnel Junctions. Journal of the Magnetics Society of Japan, https://doi.org/10.3379/jmsjmag.31.338

Solid-state biotechnology: Nanospinel synthesis from waste materials by Fe (III)-reducing bacteria (2007)
Journal Article
Coker, V. S., Pearce, C. I., Pattrick, R. A., van der Laan, G., Telling, N. D., Charnock, J. M., …Lloyd, J. R. (2007). Solid-state biotechnology: Nanospinel synthesis from waste materials by Fe (III)-reducing bacteria. Abstracts of papers of the American Chemical Society, 233, 462-462

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