Out-of-plane coercive field of Ni80Fe20 antidot arrays

Out-of-plane coercive field of Ni80Fe20 antidot arrays
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Ni80Fe20 解点阵列的面外矫顽场

DOI:
10.1016/j.jmmm.2010.06.008
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发表时间:
2010-11
影响因子:
2.7
通讯作者:
Chen, Peng
Chen, Peng
中科院分区:
材料科学3区
文献类型:
--
作者:
Gao, Chunhong;Chen, Ke;Lue, Ling;Zhao, Jianwei;Chen, Peng

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研究了磁控溅射法在阳极氧化铝(AAO)膜上制备的纳米Ni 80 Fe 20反点阵阵列的面外磁各向异性和面外磁化反转过程。Ni_(80)Fe_(20)反点阵的面外剩磁随角度的变化表明,面内剩磁最大,面外磁滞回线的矩形度随角度的变化而变化。|余弦θ|依赖Ni_(80)Fe_(20)反点阵列的面外磁化率的角度依赖性表明,最大磁化率位于对称轴垂直于样品面的圆锥面上,这表明当改变外加磁场与样品面之间的角度时,磁反转从卷曲转变为相干旋转.
The out-of-plane magnetic anisotropy and out-of-plane magnetization reversal process of nanoscale Ni80Fe20 antidot arrays deposited by magnetron sputtering technique on an anodic aluminum oxide (AAO) membrane are investigated. The angular dependence of out-of-plane remanent magnetization of Ni80Fe20 antidot arrays shows that the maximum remanence is in-plane and the squareness of the out-of-plane hysteresis loop follow a| cos θ| dependence. The angular dependence of out-of-plane coercivity of Ni80Fe20 antidot arrays shows that the maximum coercivity lies on the surface of a cone with its symmetric axis normal to the sample plane, which indicates a transition of magnetic reversal from curling to coherent rotation when changing the angle between the applied magnetic field and the sample plane.
DOI: 10.1063/1.117666
发表时间: 1996-10
影响因子: 4
作者:
J. Barnard;H. Fujiwara;V. Inturi;J. D. Jarratt;T. Scharf;J. Weston
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