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

被引：29

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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