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Abstract:

The alloy Fe1-xCoxSi shows a remarkable behaviour, while the two extremes are both nonmagnetic almost all the intermediates show magnetic order, specially in the Fe-rich region. We present here ab initio calculations within the LSDA approximation for these compounds and show that they behave as half metals for x≤0.25. This explains the linear dependence on x of the magnetic moment in this region. We also explain the magnetic behaviour for larger concentrations. © 2002 Elsevier Science B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Electronic and magnetic properties of the inverse magnetoresistant Fe1-xCoxSi alloys
Autor:Guevara, J.; Vildosola, V.L.; Milano, J.; Llois, A.M.
Filiación:Lab. TANDAR, CAC, CNEA, Av. Gral. Paz 1499, San Martín, Argentina
Departamento De Física, UBA, Ciudad Universitaria, 1429 Buenos Aires, Argentina
Escuela De Ciencia Y Tecnología, UNSAM, San Martín, Argentina
Lab. TANDAR, CEC, CNEA, Av. Gral. Paz 1499, San Martín, Argentina
Palabras clave:Band; Band structure calculations; Half metals; Approximation theory; Band structure; Magnetic moments; Magnetoresistance; Inverse magnetoresistant alloys; Iron alloys
Año:2002
Volumen:320
Número:1-4
Página de inicio:388
Página de fin:391
DOI: http://dx.doi.org/10.1016/S0921-4526(02)00755-X
Título revista:Physica B: Condensed Matter
Título revista abreviado:Phys B Condens Matter
ISSN:09214526
CODEN:PHYBE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09214526_v320_n1-4_p388_Guevara

Referencias:

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Citas:

---------- APA ----------
Guevara, J., Vildosola, V.L., Milano, J. & Llois, A.M. (2002) . Electronic and magnetic properties of the inverse magnetoresistant Fe1-xCoxSi alloys. Physica B: Condensed Matter, 320(1-4), 388-391.
http://dx.doi.org/10.1016/S0921-4526(02)00755-X
---------- CHICAGO ----------
Guevara, J., Vildosola, V.L., Milano, J., Llois, A.M. "Electronic and magnetic properties of the inverse magnetoresistant Fe1-xCoxSi alloys" . Physica B: Condensed Matter 320, no. 1-4 (2002) : 388-391.
http://dx.doi.org/10.1016/S0921-4526(02)00755-X
---------- MLA ----------
Guevara, J., Vildosola, V.L., Milano, J., Llois, A.M. "Electronic and magnetic properties of the inverse magnetoresistant Fe1-xCoxSi alloys" . Physica B: Condensed Matter, vol. 320, no. 1-4, 2002, pp. 388-391.
http://dx.doi.org/10.1016/S0921-4526(02)00755-X
---------- VANCOUVER ----------
Guevara, J., Vildosola, V.L., Milano, J., Llois, A.M. Electronic and magnetic properties of the inverse magnetoresistant Fe1-xCoxSi alloys. Phys B Condens Matter. 2002;320(1-4):388-391.
http://dx.doi.org/10.1016/S0921-4526(02)00755-X