Neighboring-Metallic-Layer-Induced Nonreciprocal Wave Propagation in a Thin Metallic Ferromagnetic Film

被引：0
|
作者：
Brockdorf, Kathleen [1 ]
Vishal, Kumar [1 ]
Zhuang, Yan [1 ]
机构：
[1] Wright State Univ, Dept Elect Engn, Dayton, OH 45435 USA
来源：
IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY | 2016年 / 6卷 / 08期
关键词：
Ferromagnetic; integrated; nonreciprocal; radio frequency (RF); SPIN-WAVES; SURFACE-WAVES;
D O I：
10.1109/TCPMT.2016.2584920
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nonreciprocal spin wave propagation, induced by placing a neighboring metallic nonmagnetic layer, has been studied in metallic ferromagnetic thin films. The structure consists of a set of coupled microstrip transmission lines acting as antennas placed over a thin Ni80Fe20 layer. Nonreciprocal propagation of magnetostatic surface waves (MSSWs) has been observed. The nonreciprocal effect is evaluated by the amplitude ratio and the phase difference of the MSSWs traveling in opposite directions. By investigating the correlation between the device structure and the nonreciprocal effects, a maximum of -26.0 dB of the amplitude ratio and -180.0 degrees phase difference were obtained. These results can be applied to optimize the nonreciprocal device.
引用
收藏
页码：1245 / 1250
页数：6
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