Development of Ferromagnetic Resonance System for Ultra-Low Temperature

被引：1
|
作者：
Park, Jungmin [1 ]
Jo, Younghun [1 ]
Lee, Ah-Yeon [2 ]
机构：
[1] Korea Basic Sci Inst KBSI, Ctr Sci Instrumentat, Daejeon 34133, South Korea
[2] Korea Basic Sci Inst KBSI, Ctr Res Equipment, Daejeon 34133, South Korea
来源：
JOURNAL OF THE KOREAN MAGNETICS SOCIETY | 2021年 / 31卷 / 02期
关键词：
development of equipment; ferromagnetic resonance; inverse spin Hall effect; low temperature; damping constant; THIN-FILM;
D O I：
10.4283/JKMS.2021.31.2.062
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The ferromagnetic resonance (FMR) including inverse spin hall effect (ISHE) by spin pumping is a useful method to analyze the spin dynamics of ferromagnetic material and the spin-charge conversion of ferromagnet/normal metal heterostructure. For localization of the ISHE-FMR system, we have developed a customizable ISHE-FMR system. The developed ISHE-FMR system can simultaneously measure the ISHE voltage and FMR signal in the various range of temperature (4 similar to 300 K). From this ISHE-FMR system, we measured the FMR derivative absorption signals and ISHE voltage of molecule-based ferromagnetic insulator (Cr-PBA, Tc = 220 K) and Co thin film. And we show the design and manufacture process of ISHE-FMR system briefly, and discuss the Gilbert damping constant of all the test samples compared with reference value.
引用
收藏
页码：62 / 68
页数：7
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