Nonreciprocal emission of spin-wave packet in FeNi film

被引：103
|
作者：
Sekiguchi, K. [1 ]
Yamada, K. [1 ]
Seo, S. M. [2 ]
Lee, K. J. [2 ]
Chiba, D. [1 ]
Kobayashi, K. [1 ]
Ono, T. [1 ]
机构：
[1] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan
[2] Korea Univ, Dept Mat Sci & Engn, Seoul 136701, South Korea
来源：
APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 02期
关键词：
PERMALLOY;
D O I：
10.1063/1.3464569
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report a time-resolved propagating spin wave spectroscopy for Fe(19)Ni(81) film. We show that the amplitude of the spin-wave packet depends on the direction of magnetization and that its phase can be controlled by the polarity of pulsed magnetic field for the excitation. The nonreciprocal emission of spin-wave packet can be utilized for the binary spin-wave input into the spin-wave logic circuit. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3464569]
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页数：3
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