Anisotropy and Damping in Co2FeAl0.5Si0.5 via Electrical Detection of Ferromagnetic Resonance

被引：8
|
作者：
Bai, Lihui [1 ]
Tezuka, Nobuki [1 ]
Kohda, Makoto [1 ,2 ]
Nitta, Junsaku [1 ]
机构：
[1] Tohoku Univ, Fac Engn, Dept Mat Sci, Sendai, Miyagi 9808579, Japan
[2] Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3310012, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2012年 / 51卷 / 08期
基金：
日本学术振兴会; 日本科学技术振兴机构;
关键词：
D O I：
10.1143/JJAP.51.083001
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The authors have investigated spin dynamics properties and magnetic anisotropy parameters of epitaxial Co2FeAl0.5Si0.5 (CFAS) thin films using electrical detection of ferromagnetic resonance on basis of spin rectification effect. The samples of CFAS were grown on (001) MgO substrate by sputtering, and patterned into stripes with a length of 760 m and various widths between 5 and 40 mu m for the electric detection. Analysis of the angle dependent FMR allows the anisotropy field, K-1 to be determined (1.04 x 10(5) erg/cm3). By analyzing the line width vs the resonant frequency, a damping constant alpha, of 0.005 is obtained. (C) 2012 The Japan Society of Applied Physics
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页数：5
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