Ultra-wide Band (10 MHz-26 GHz) Permeability Measurements Systems for Magnetic Films

被引：0

作者：

Chen, Yunpeng ^{[1
]}

Gao, Yuan ^{[1
]}

Wang, Xinjun ^{[2
]}

Chen, Huaihao ^{[2
]}

Sun, Nian X. ^{[2
]}

机构：

[1] Winchester Technol, Burlington, MA 01803 USA

[2] Northeastern Univ, Elect & Comp Engn, Boston, MA 02115 USA

来源：

2018 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING | 2018年

关键词：

magnetic films; ferromagnetic resonance; permeability measurement; RF measurement; PERMEAMETER;

D O I：

暂无

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 new rf magnetic measurement system is proposed to detect complex permeability of magnetic films, of which the measurable frequency range has been demonstrated but not limited to 10MHz-26GHz. The system is based on a simple microwave generator and lock-in detection set up. The signal to noise ratio is enhanced by the lock-in detection technique. Measurements of ferromagnetic resonance and complex permeability on a thick FeGaB film (30nm) and an ultra-thin NiFe (2nm) were presented to demonstrated the wider frequency capability and higher signal to noise ratio as compared with the best available permeameter.

引用

页码：1057 / 1058

页数：2

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