期刊
THIN SOLID FILMS
卷 520, 期 18, 页码 5981-5984出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2012.04.077
关键词
Magnetic anisotropy; Grazing Incidence X-ray Diffraction; Permalloy; Magnetic field; Electron beam evaporation
Field induced magnetic-anisotropy is a very important but poorly understood property. There have been many hypotheses on the origin of the phenomenon, e. g. strain, atomic pair ordering, etc., but little experimental evidence exist. This study prepares 100 nm thick Permalloy films having the field-induced-magnetic-anisotropy and carefully measure strains, i.e. interplanar distance of crystallographic (111) planes in various directions, using high power synchrotron radiation and precise Grazing Incidence X-Ray Diffraction method. The result delineates that the field-induced-magnetic-anisotropy has a strong correlation with the strain-anisotropy in the film. (C) 2012 Elsevier B. V. All rights reserved.
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