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
收藏
页码：1057 / 1058
页数：2
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