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.

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页码：62 / 68

页数：7

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