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Physical Review B
(Condensed Matter and Materials Physics -1(I))

Phys. Rev. B 68, 094413 (2003) (6 pages)
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Noncollinear magnetism of thin Cr films deposited on a stepped Fe (001) surface

R. Robles,1 E. Martínez,1 D. Stoeffler,2 and A. Vega1
1Departamento de Física Teórica, Atómica, Molecular y Nuclear, Universidad de Valladolid, E-47011 Valladolid, Spain
2Institut de Physique et de Chimie des Matériaux de Strasbourg (UMR C7504 CNRS-ULP), 23 rue du Loess, Boîte Postal 43 F-67034 Strasbourg, France

(Received 12 May 2003; published 17 September 2003)

A theoretical study of the noncollinear magnetic moments distribution of Cr films with thicknesses between one and two monolayers deposited on a semi-infinite Fe(001) substrate with terraces of monoatomic height is reported. The spin-polarized electronic structure is calculated with a self-consistent real space spd tight-binding model, parametrized to ab initio tight binding linear muffin tin orbital results in which we have implemented the possibility that the orientation of the spin-quantization axis changes from site to site, thus allowing noncollinear magnetic calculations in complex systems with a large number of inequivalent sites without symmetry requirements while preserving a high degree of accuracy. The calculated magnetic moment distributions are discussed in connection with the magnetic frustrations associated with structural defects. ©2003 The American Physical Society

URL: http://link.aps.org/abstract/PRB/v68/e094413
doi:10.1103/PhysRevB.68.094413
PACS: 75.75.+a        Additional Information

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