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Title: | Perpendicular magnetic anisotropy in chemically disordered FePd-FeV(100) alloy thin films |
Author: | Clavero, C. García-Martín, J. M. Armelles Reig, G. Cebollada, Alfonso Huttel, Y. Estradé Albiol, Sònia Albiol i Cobos, Jordi Peiró Martínez, Francisca Balcells i Argemí, Lluís |
Keywords: | Materials Propietats magnètiques Anisotropia Superfícies (Física) Pel·lícules fines Materials Magnetic properties Anisotropy Surfaces (Physics) Thin films |
Issue Date: | 10-Apr-2006 |
Publisher: | American Institute of Physics |
Abstract: | We find that the use of V(100) buffer layers on MgO(001) substrates for the epitaxy of FePd binary alloys yields to the formation at intermediate and high deposition temperatures of a FePd¿FeV mixed phase due to strong V diffusion accompanied by a loss of layer continuity and strong increase of its mosaic spread. Contrary to what is usually found in this kind of systems, these mixed phase structures exhibit perpendicular magnetic anisotropy (PMA) which is not correlated with the presence of chemical order, almost totally absent in all the fabricated structures, even at deposition temperatures where it is usually obtained with other buffer layers. Thus the observed PMA can be ascribed to the V interdiffusion and the formation of a FeV alloy, being the global sample saturation magnetization also reduced. |
Note: | Reproducció del document publicat a: http://dx.doi.org/10.1063/1.2187413 |
It is part of: | Journal of Applied Physics, 2006, vol. 99, p. 073903-1-073903-9 |
URI: | http://hdl.handle.net/2445/24882 |
Related resource: | http://dx.doi.org/10.1063/1.2187413 |
ISSN: | 0021-8979 |
Appears in Collections: | Articles publicats en revistes (Enginyeria Electrònica i Biomèdica) |
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