Depinning fields of a magnetic domain wall from asymmetric notches

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作者：
Himeno, A. [1 ]
Kasai, S. [1 ]
Ono, T. [1 ]
机构：
[1] Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
来源：
Journal of Applied Physics | 2006年 / 99卷 / 08期
关键词：
Depinning fields of a magnetic domain wall (DW) from asymmetric notches artificially introduced into submicron magnetic wires were investigated by utilizing the giant magnetoresistance effect. It was found that the depinning field from the asymmetric notch depends on the propagation direction of the DW. The asymmetric notch works as an asymmetric potential barrier against the DW propagation. The depinning field increases with increasing slope of the asymmetric notch. © 2006 American Institute of Physics;
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