Magnetic properties of lithographically defined rectangular antidot permalloy arrays

被引：7
|
作者：
Wang, C. C. [1 ]
Adeyeye, A. O. [1 ]
Lin, C. C. [1 ]
机构：
[1] Natl Univ Singapore, Fac Engn, Dept Elect & Comp Engn, Informat Storage Mat Lab, Singapore 117576, Singapore
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2004年 / 272卷
关键词：
antidot array; magnetic domain; anisotropy; magnetotransport; patterned film;
D O I：
10.1016/j.jmmm.2003.12.1343
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated the magnetic properties of rectangular antidot (2 x 10 mu m(2)) arrays embedded into 80 nm thick continuous permalloy films with the inter-hole spacing of 2 and 6 mu m. We observed that the presence of the rectangular hole structures strongly modifies the shape of M-H loops, when compared with the reference continuous film. Specifically, the coercivity increases drastically as the inter-hole spacing is reduced. This is in agreement with our magnetic force microscopy images. Marked changes in both the shape and sign of the magnetoresistance curve were also observed. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：E1299 / E1300
页数：2
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