铁磁性
凝聚态物理
磁滞
磁滞
磁化
磁畴
磁各向异性
材料科学
钇铁石榴石
法拉第效应
磁场
各向异性能量
各向异性
磁畴壁(磁性)
单一领域
克尔效应
物理
光学
非线性系统
量子力学
出处
期刊:AIP Advances
[American Institute of Physics]
日期:2021-08-01
卷期号:11 (8)
被引量:4
摘要
I present a magneto-optic effect study of magnetic domains in a ferrimagnetic yttrium iron garnet crystal at different stages of a hysteresis loop. By measuring the Faraday effect in response to the out-of-plane component and Kerr effects to the in-plane components of the sample magnetization, I examined the evolution of magnetic domains during a hysteresis loop in an in-plane external magnetic field. I found that crystalline anisotropy, magneto-static energy, and the presence of movable domain walls play indispensable roles in the domain orientation, particularly when the external field is near zero, and have led to seemingly unusual appearances of hysteresis loops.
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