Observation of rotatable stripe domain in permalloy films with oblique sputtering

被引：57
|
作者：
Wang, Gaoxue [1 ]
Dong, Chunhui [1 ]
Wang, Wenxi [1 ]
Wang, Zhiling [1 ]
Chai, Guozhi [1 ]
Jiang, Changjun [1 ]
Xue, Desheng [1 ]
机构：
[1] Lanzhou Univ, Key Lab Magnetism & Magnet Mat, MOE, Lanzhou 730000, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2012年 / 112卷 / 09期
基金：
中国国家自然科学基金;
关键词：
INCIDENCE ANISOTROPY; MAGNETIC-ANISOTROPY; MICROMAGNETICS;
D O I：
10.1063/1.4764311
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Stripe domain (SD) in obliquely sputtered permalloy films were investigated by comparing with normally sputtered ones. The critical thickness for SD formation of obliquely sputtered films was about 100 nm thinner than that of normally sputtered films. The hysteresis loops of obliquely sputtered films showed a peculiar shape. A rotation of SD towards easy axis was observed in the obliquely sputtered films, which was confirmed by permeability spectra under a bias field. The origin of the rotation could result from in-plane uniaxial anisotropy, which is induced by the shape effect of the oblique columnar growth of permalloy grains. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4764311]
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页数：4
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