Shape effect on magnetization reversal in chains of interacting ferromagnetic elements

被引:62
作者
Novosad, V
Grimsditch, M
Darrouzet, J
Pearson, J
Bader, SD
Metlushko, V
Guslienko, K
Otani, Y
Shima, H
Fukamichi, K
机构
[1] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA
[2] Univ Illinois, Dept Elect & Comp Engn, Chicago, IL 60607 USA
[3] Seagate Res, Pittsburgh, PA 15222 USA
[4] RIKEN Frontier Res Syst, Wako, Saitama 35610198, Japan
[5] Tohoku Univ, Dept Mat Sci, Sendai, Miyagi 9808579, Japan
关键词
D O I
10.1063/1.1577808
中图分类号
O59 [应用物理学];
学科分类号
摘要
The magnetization reversal in the chains of submicron square- and disk-shaped Permalloy dots with lateral size of 800 nm, thickness of 50 nm and variable inter dot distance was investigated by using the magneto-optical Kerr effect technique, magnetic force microscopy and micromagnetic modeling. We have found that the particle shape strongly affects the characteristic switching fields of well-separated dots, and has almost no influence on strength of inter dot interaction in chains of magnetostatically coupled elements. (C) 2003 American Institute of Physics.
引用
收藏
页码:3716 / 3718
页数:3
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