Single-Point FMR Linewidth Measurement by TE10 Rectangular Transmission Cavity Perturbation

被引：13
|
作者：
Sokolov, Alexander S. [1 ]
Andalib, Parisa [1 ]
Chen, Yajie [2 ]
Harris, Vincent G. [1 ]
机构：
[1] Northeastern Univ, Dept Elect & Comp Engn, Ctr Microwave Magnet Mat & Integrated Circuits, Boston, MA 02115 USA
[2] Rogers Corp Innovat Ctr, Burlington, MA 01803 USA
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2016年 / 64卷 / 11期
关键词：
Cavity resonators; ferrimagnetic materials; ferrites; magnetic materials; magnetic properties; magnetic susceptibility; FERROMAGNETIC RESONANCE;
D O I：
10.1109/TMTT.2016.2601924
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：
A method that allows the determination of magnetic permeability in magnetic bodies, as well as the ferromagnetic resonance (FMR) linewidth, by measuring only the quality factor and the resonant frequency of the perturbed microwave cavity at FMR is presented. The method is based on a set of equations derived for various types of magnetic media, including ferrites, single crystals, and polycrystalline materials. The evaluation of resonators containing magnetic medium is considered, and a detailed description of the spectrometer and the experimental procedure are presented. Independently measured yttrium iron garnet samples were used to validate the method.
引用
收藏
页码：3772 / 3780
页数：9
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