Bolometric Detection of Ferromagnetic Resonance in Amorphous Microwires

被引：0
|
作者：
Kraus, Ludek [1 ]
机构：
[1] Acad Sci Czech Republ, Inst Phys, Prague 18221, Czech Republic
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2015年 / 51卷 / 01期
关键词：
Amorphous microwires; anisotropic magnetoresistance (AMR); bolometric effect; ferromagnetic resonance (FMR);
D O I：
10.1109/TMAG.2014.2357074
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Ferromagnetic resonance (FMR) of glass-coated amorphous Fe78Ni8P10B10 and Co67Fe4Cr7Si8B14 microwires was investigated at frequency 9.54 GHz by the standard FMR and the electrically detected FMR techniques. Static magnetic field was applied parallel to the wire axis and the resonance was driven by the microwave current passing through the wire. The field dependences of electrical resistance measured at different levels of microwave power were compared with the resonance curves obtained by the standard FMR method. It was found that the change of resistance observed at the resonance is caused by the increase of temperature due to the energy dissipation by the Gilbert damping of spin-precession motion.
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页数：4
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