NDLI: Magnetization reversal analysis of a thin B2-type ordered $Co_{50}Fe_{50}$film by magnetooptic Kerr effect

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Magnetization reversal analysis of a thin B2-type ordered $Co_{50}Fe_{50}$film by magnetooptic Kerr effect

Content Provider	Scilit
Author	Kuschel, T. Hamrle, J. Pištora, J. Saito, K. Bosu, S. Sakuraba, Y. Takanashi, K. Wollschläger, J.
Copyright Year	2012
Description	Journal: Journal of Physics D: Applied Physics The magnetic structure of a thin B2 ordered $Co_{50}Fe_{50}$ film is determined by vectorial magnetometry using magnetooptic Kerr effect including different polarizations of the incident light and varied directions of the external magnetic field. Both the magnetic reversal process and the magnetic remanence reveal two in-plane magnetic easy axes of different strengths which are not orthogonal. Atypical magnetization curves including multidomain states in magnetic remanence with some magnetic moments providing antiparallel alignment to the direction of the previously applied external field (if projected to the direction of the external field) confirm the appearance of different strong magnetic easy axes. This magnetic structure can be explained by a cubic magnetic anisotropy (CMA) induced by the crystalline film structure superimposed by an additional uniaxial magnetic anisotropy (UMA) which is not parallel to one of the magnetic easy axes of the CMA. The results are compared with the regular magnetic behaviour of a thin A2 ordered $Co_{50}Fe_{50}$ film with UMA parallel to one of the magnetic easy axes of the CMA.
Related Links	http://iopscience.iop.org/article/10.1088/0022-3727/45/20/205001/pdf
ISSN	00223727
e-ISSN	13616463
DOI	10.1088/0022-3727/45/20/205001
Journal	Journal of Physics D: Applied Physics
Issue Number	20
Volume Number	45
Language	English
Publisher	IOP Publishing
Publisher Date	2012-05-04
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics D: Applied Physics Condensed Matter Physics Magnetic Moment Magnetic Structure Magnetic Field Magnetic Anisotropy
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Acoustics and Ultrasonics Condensed Matter Physics Electronic, Optical and Magnetic Materials

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