Micromagnetic studies on measurements of crystalline anisotropy and magnetostriction in disk media
Micromagnetic studies on measurements of crystalline anisotropy and magnetostriction in disk media
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DOI:
10.1063/1.3545818
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发表时间:
2011-03
影响因子:
3.2
通讯作者:
Wei, Dan
中科院分区:
文献类型:
--
作者:
Li, Hongjia;Wei, Dan
Measurements of intrinsic magnetic parameters are important in the study of magnetic devices. A micromagnetic model is set up for a perpendicular disk media, including a recording layer (RL, CoCrPt-SiO2, 6 nm), a 12-nm nonmagnetic interlayer and an amorphous soft underlayer (a-SUL, FeCo, 42 nm), in order to study the measurement methods of the crystalline anisotropy and magnetostriction constants in the RL. The effects of the a-SUL on the magnetic properties of the RL are studied by calculating the hysteresis loops. The contributions of the RL and a-SUL to the torque curves of the whole media are calculated respectively. If the intrinsic stress at the interface between the RL and interlayer is along one of the in-plane directions, the crystalline anisotropy constant K1 and magnetostriction field Hms can be determined simultaneously from the simulated in-plane torque curves.
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影响因子:
--
作者:
BOZORTH, RM;TILDEN, EF;WILLIAMS, AJ
通讯作者:
WILLIAMS, AJ
DOI:
10.1109/20.908417
发表时间:
2000-04
期刊:
--
影响因子:
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