Pressure Dependence of the Frequency Permeability Spectra of Soft Ferrite Composite Materials: A Method of Measuring the Natural Ferromagnetic Resonance Frequency

被引：12

作者：

Chevalier, Alexis ^{[1
]}

Le Guen, Emmanuel ^{[1
,2
]}

Tarot, Anne-Claude ^{[2
]}

Grisart, Bernadette ^{[1
]}

Souriou, David ^{[3
]}

Queffelec, Patrick ^{[1
]}

Thakur, Atul ^{[4
]}

Mattei, Jean-Luc ^{[1
]}

机构：

[1] Univ Brest, CNRS, Lab STICC, Brest, France

[2] Univ Rennes 1, CNRS, IETR, Rennes, France

[3] CEA LETI DIHS LCMS, Grenoble, France

[4] Natl Taiwan Univ, Dept Phys, Spintron Lab, Ctr Nanostorage Res, Taipei, Taiwan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 10期

关键词：

Ferrimagnetic materials; ferrites; microwave materials; natural ferrimagnetic resonance measurements;

D O I：

10.1109/TMAG.2011.2157899

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：

Experimental studies on the complex susceptibility of soft magnetic composite materials (magnetostrictive Ni-Zn and Ni-Zn-Co spinels) in their region of ferrimagnetic resonance (FMR) show that the FMR is an increasing function of the applied pressure. It is shown that powders could advantageously replace their sintered materials counterpart to measure without any ambiguity the natural ferrimagnetic resonance (NFMR) frequencies of bulk materials. It is also shown that such soft ferrite composites can be realized in order to shift FMR to higher values, and to obtain low magnetic losses up to 900 MHz. High frequencies applications can be envisaged.

引用

页码：4132 / 4134

页数：3

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