Mode transformation of dynamic spin wave well modes in the magnetic stripes

被引：0
|
作者：
Li, Xiling [1 ]
Yao, Yuping [1 ]
Ma, Fusheng [2 ]
Wang, Jianbo [1 ]
Chai, Guozhi [1 ]
机构：
[1] Lanzhou Univ, Key Lab Magnetism & Magnet Mat, Minist Educ, Key Lab Special Funct Mat & Struct Design, Lanzhou 730000, Peoples R China
[2] Nanjing Normal Univ, Ctr Quantum Transport & Thermal Energy Sci, Sch Phys & Technol, Jiangsu Key Lab Optoelect Technol, Nanjing 210023, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2024年 / 124卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Compendex;
D O I：
10.1063/5.0185616
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this work, we present an experimental and micromagnetic simulation study of the mode transformation of dynamic spin wave well modes in the magnetic stripes. With a highly precise lock-in ferromagnetic resonance measurement system, the spin wave modes, including the quantized backward volume magnetostatic spin waves and the spin wave well modes, can both be clearly detected in the transversely magnetized stripes. The mode transformations of dynamic spin wave well modes are detected in a field range that the moments near the edge of the stripe are not fully magnetized. Further micromagnetic simulation and analyzation show that the boundary condition change in the potential well might be the main reason for the mode transformation of spin wave well modes. These results might be helpful for the further understanding of the spin wave dynamics in the finite ferromagnets.
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页数：6
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