Static and Dynamic Magnetic Properties of Single-Crystalline Yttrium Iron Garnet Films Epitaxially Grown on Three Garnet Substrates

被引：27
|
作者：
Yoshimoto, Takuya [1 ]
Goto, Taichi [1 ,2 ]
Shimada, Kei [1 ]
Iwamoto, Bungo [1 ]
Nakamura, Yuichi [1 ]
Uchida, Hironaga [1 ]
Ross, Caroline A. [3 ]
Inoue, Mitsuteru [1 ]
机构：
[1] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Tempaku Ku, 1-1 Hibari Ga Oka, Toyohashi, Aichi 4418580, Japan
[2] JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 3320012, Japan
[3] MIT, Dept Mat Sci & Engn, 77 Massachusetts Ave, Cambridge, MA 02139 USA
来源：
ADVANCED ELECTRONIC MATERIALS | 2018年 / 4卷 / 07期
基金：
美国国家科学基金会;
关键词：
damping parameters; spin waves; spin-wave integrated circuits; yttrium iron garnet; THIN-FILMS;
D O I：
10.1002/aelm.201800106
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Single-crystalline yttrium iron garnet (YIG) films are grown on gadolinium gallium garnet (GGG), rare-earth-substituted GGG, and neodymium gallium garnet (NGG) substrates, and their crystalline structures, surface morphologies, magnetic and magneto-optical properties, spin wave (SW) spectra of the forward volume (FV) mode, and damping parameters are characterized. YIG grown on NGG shows the smallest out-of-plane effective anisotropy field of 1080 Oe among the three samples because of its larger magnetoelastic anisotropy contribution, and its damping parameter is 1.1 x 10(-3). The FV SW dispersion curve is calculated from the magnetic anisotropy and it shows good agreement with experimental data.
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页数：8
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