Abstract:
Magneto-transport experiments have been recently performed on MnAs thin films. Hall effect and transverse magnetoresistance measurements have shown interesting and, until now, unknown results. For instance, the transverse magnetoresistance shows no saturation in the presence of very high magnetic fields. In order to understand the contribution of the electronic band structure to the non-saturating magnetoresistance, we perform ab initio calculations, using the Wien2K code and analyze the magneto-transport properties within the semiclassical approximation. We show that non-saturation may be due to the presence of open orbits on the majority Fermi surface. © 2008 Elsevier B.V. All rights reserved.
Registro:
Documento: |
Artículo
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Título: | Semiclassical electronic transport in MnAs thin films |
Autor: | Helman, C.; Milano, J.; Steren, L.; Llois, A.M. |
Filiación: | Dpto de Física, Juan Jose Giambiagi, Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina Unidad de Actividad Física, Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica, Buenos Aires, Argentina Departamento de Física, Centro Atómico Bariloche, Comisión Nacional de Energía Atómica, S.C. Bariloche, Argentina
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Palabras clave: | Fermi surface; Magnetotransport; Open orbits; Fermi surface; Magnetic field effects; Magnetic variables measurement; Magnetoresistance; Manganese alloys; Magnetoresistance measurements; Open orbits; Semiclassical approximation; Thin films |
Año: | 2008
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Volumen: | 320
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Número: | 14
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Página de inicio: | e415
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Página de fin: | e417
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DOI: |
http://dx.doi.org/10.1016/j.jmmm.2008.02.134 |
Título revista: | Journal of Magnetism and Magnetic Materials
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Título revista abreviado: | J Magn Magn Mater
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ISSN: | 03048853
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CODEN: | JMMMD
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03048853_v320_n14_pe415_Helman |
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Citas:
---------- APA ----------
Helman, C., Milano, J., Steren, L. & Llois, A.M.
(2008)
. Semiclassical electronic transport in MnAs thin films. Journal of Magnetism and Magnetic Materials, 320(14), e415-e417.
http://dx.doi.org/10.1016/j.jmmm.2008.02.134---------- CHICAGO ----------
Helman, C., Milano, J., Steren, L., Llois, A.M.
"Semiclassical electronic transport in MnAs thin films"
. Journal of Magnetism and Magnetic Materials 320, no. 14
(2008) : e415-e417.
http://dx.doi.org/10.1016/j.jmmm.2008.02.134---------- MLA ----------
Helman, C., Milano, J., Steren, L., Llois, A.M.
"Semiclassical electronic transport in MnAs thin films"
. Journal of Magnetism and Magnetic Materials, vol. 320, no. 14, 2008, pp. e415-e417.
http://dx.doi.org/10.1016/j.jmmm.2008.02.134---------- VANCOUVER ----------
Helman, C., Milano, J., Steren, L., Llois, A.M. Semiclassical electronic transport in MnAs thin films. J Magn Magn Mater. 2008;320(14):e415-e417.
http://dx.doi.org/10.1016/j.jmmm.2008.02.134