Origin of the double shifted hysteresis loops in thin ferromagnetic films with bias fields

The magnetic switching behavior of thin ferromagnetic films with bias fields is studied by coherent rotation model. The film is taken to be a single magnetic domain with in-plane cubic and uniaxial anisotropies. The origin of occurrence of the double shifted hysteresis loops (DSHLs) is explained in...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2002-02, Vol.239 (1), p.28-30
Main Authors: Yang, Jyh-Shinn, Chang, Ching-Ray, Lai, C.H.
Format: Article
Language:English
Subjects:
Bias field
Coherent rotation
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetic properties of monolayers and thin films
Magnetic properties of surface, thin films and multilayers
Physics
Thin films
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Summary:The magnetic switching behavior of thin ferromagnetic films with bias fields is studied by coherent rotation model. The film is taken to be a single magnetic domain with in-plane cubic and uniaxial anisotropies. The origin of occurrence of the double shifted hysteresis loops (DSHLs) is explained in detail. It was shown that the bias field significantly changes the behavior of magnetization process, and the range of material constants for occurrence of DSHLs for biased films is wider than that for unbiased films.
ISSN:0304-8853
DOI:10.1016/S0304-8853(01)00520-0