Enhancement of THz Generation Using Multilayer Spintronic Emitters

被引：0
|
作者：
Scheuer, L. [1 ]
Torosyan, G. [2 ]
Keller, S. [1 ]
Pappaioannou, E. Th. [1 ,3 ]
Beigang, R. [1 ,3 ]
机构：
[1] Univ Kaiserslautern, Dept Phys, Kaiserslautern, Germany
[2] Photon Ctr Kaiserslautern, Kaiserslautern, Germany
[3] Res Ctr OPTIMAS, Kaiserslautern, Germany
来源：
2018 43RD INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2018年
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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：
The properties of a three-layer Ta/Fe/Pt spintronic THz emitter based on the inverse spin Hall effect (ISHE) are investigated. Although Ta shows only a very weak ISHE a considerable enhancement of the generated THz amplitude was observed in comparison with a two-layer Fe/Pt system. The dependence on the total layer thickness is discussed in detail and explained in terms of the modified total impedance of the three-layer system.
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