Theoretical investigation of ferromagnetic resonance in a ferromagnetic thin film with external stress anisotropy

被引：5

作者：

Zhou, Jieyu ^{[1
,2
]}

Rong, Jianhong ^{[1
,2
]}

Wang, Huan ^{[3
]}

Yun, Guohong ^{[1
,2
,4
]}

Wang, Yanan ^{[1
,2
]}

Zhang, Shufei ^{[1
,2
]}

机构：

[1] Inner Mongolia Univ, Inner Mongolia Key Lab Nanosci & Nanotechnol, Hohhot 010021, Peoples R China

[2] Inner Mongolia Univ, Sch Phys Sci & Technol, Hohhot 010021, Peoples R China

[3] Inner Mongolia Agr Univ, Coll Sci, Hohhot 010018, Peoples R China

[4] Inner Mongolia Normal Univ, Coll Phys & Elect Informat, Hohhot 010022, Peoples R China

来源：

CHINESE PHYSICS B | 2022年 / 31卷 / 01期

基金：

中国国家自然科学基金;

关键词：

ferromagnetic resonance; external stress anisotropy; fourfold anisotropy; uniaxial anisotropy; MAGNETIC-PROPERTIES;

D O I：

10.1088/1674-1056/ac1b86

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We use the ferromagnetic resonance (FMR) method to study the properties of ferromagnetic thin film, in which external stress anisotropy, fourfold anisotropy and uniaxial anisotropy are considered. The analytical expressions of FMR frequency, linewidth and the imaginary part of magnetic susceptibility are obtained. Our results reveal that the FMR frequency and the imaginary part of magnetic susceptibility are distinctly enhanced, and the frequency linewidth or field linewidth are broadened due to a strong external stress anisotropy field. The hard-axis and easy-axis components of magnetization can be tuned significantly by controlling the intensity and direction of stress and the in-plane uniaxial anisotropy field.

引用

页数：6

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