Phase diagram of antiferromagnetically exchange-coupled bilayer
Phase diagram of antiferromagnetically exchange-coupled bilayer
Magnetic hysteresis properties of antiferromagnetically exchange-coupled bilayer structures, in which the two magnetic layers have different magnetic parameters and thicknesses, are studied within the framework of the Stoner–Wohlfarth model. Analytical expressions for the switching fields corresponding to the linear magnetic states are obtained. By adjusting the magnetic parameters or thicknesses of layers, nine different types of easy-axis hysteresis loops may exist. The phase diagram of easy-axis hysteresis loops is mapped in the k1 and k2 plane, where k1 and k2 are the ratios of magnetic anisotropy to the interlayer exchange coupling of the two magnetic layers, respectively.
2634
Guang-Hua, Guo
b5848181-3b3d-47d6-bfb6-75397defdd3a
Guang-Fu, Zhang
c5e45da7-bd55-4397-a4cc-2034c0fdfb49
Li-Yuan, Sun
3218e969-7508-4238-8dc6-e2ac84afe00b
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
July 2008
Guang-Hua, Guo
b5848181-3b3d-47d6-bfb6-75397defdd3a
Guang-Fu, Zhang
c5e45da7-bd55-4397-a4cc-2034c0fdfb49
Li-Yuan, Sun
3218e969-7508-4238-8dc6-e2ac84afe00b
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Guang-Hua, Guo, Guang-Fu, Zhang, Li-Yuan, Sun and de Groot, P.A.J.
(2008)
Phase diagram of antiferromagnetically exchange-coupled bilayer.
Chinese Physics Letters, 25 (7), .
(doi:10.1088/0256-307X/25/7/083).
Abstract
Magnetic hysteresis properties of antiferromagnetically exchange-coupled bilayer structures, in which the two magnetic layers have different magnetic parameters and thicknesses, are studied within the framework of the Stoner–Wohlfarth model. Analytical expressions for the switching fields corresponding to the linear magnetic states are obtained. By adjusting the magnetic parameters or thicknesses of layers, nine different types of easy-axis hysteresis loops may exist. The phase diagram of easy-axis hysteresis loops is mapped in the k1 and k2 plane, where k1 and k2 are the ratios of magnetic anisotropy to the interlayer exchange coupling of the two magnetic layers, respectively.
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Published date: July 2008
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Local EPrints ID: 144523
URI: http://eprints.soton.ac.uk/id/eprint/144523
PURE UUID: 11dd7c73-5268-44df-891c-2fdb8500fb9d
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Date deposited: 14 Apr 2010 10:47
Last modified: 08 Jan 2022 17:26
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Author:
Guo Guang-Hua
Author:
Zhang Guang-Fu
Author:
Sun Li-Yuan
Author:
P.A.J. de Groot
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