Proximity effects on the magnetic behavior of cr6-cr9 atomic clusters embedded in fe bulk Report as inadecuate




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P. G. Alvarado-Leyva ;Superficies y vacío 2007, 20 (1)

Author: E. M Sosa-Hernández

Source: http://www.redalyc.org/


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Superficies y vacío ISSN: 1665-3521 alex@fis.cinvestav.mx Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. México Sosa-Hernández, E.
M; Alvarado-Leyva, P.
G. Proximity effects on the magnetic behavior of Cr6-Cr9 atomic clusters embedded in Fe Bulk Superficies y vacío, vol.
20, núm.
1, marzo, 2007, pp.
8-13 Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. Distrito Federal, México Available in: http:--www.redalyc.org-articulo.oa?id=94220102 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative ©Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales Superficies y Vacío 20(1),8-13, marzo de 2007 Proximity effects on the magnetic behavior of Cr6-Cr9 atomic clusters embedded in Fe Bulk E.
M Sosa-Hernández Departamento de Matemáticas Aplicadas, Facultad de Contaduría y Administración Universidad Autónoma de San Luis Potosí Álvaro Obregón 64, 78000 San Luis Potosí, S.L.P.
México P.
G.
Alvarado-Leyva Departamento de Física, Facultad de Ciencias Universidad Autónoma de San Luis Potosí Álvaro Obregón 64, 78000 San Luis Potosí, S.L.P.
México (Recibido: 29 de diciembre de 2006; Aceptado: 8 de febrero de 2007) The magnetic behavior of clusters Cr6-Cr9 in bulk Fe is determined by using an electronic Hamiltonian which includes s, p and d electrons.
The spin density distribution is calculated self-consistenly in the unrestricted Hartree-Fock approximation.
The local magnetic moments μ (i) are obtained at various atoms i of Cr clusters and of the surrounding matrix.
The local magnetic moments at Fe atoms and the magnetic moments of Cr atoms present an antiparallel coupling. The magnetic behavior of Cr clusters depends on two factors, the size of the cluste...





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