Spin-injection radiation of terahertz waves in ferromagnetic structures

被引：4
|
作者：
Gulyaev, Yu. V. [1 ]
Vilkov, E. A. [1 ]
Zil'berman, P. E. [1 ,2 ]
Mikhailov, G. M. [1 ,2 ]
Chigarev, S. G. [1 ]
机构：
[1] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia
[2] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia
来源：
DOKLADY PHYSICS | 2013年 / 58卷 / 08期
关键词：
Film Magnetization; Spin Injection; Terahertz Wave; Quasi Fermi Level; Opposite Magnetic Pole;
D O I：
10.1134/S1028335813080016
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
We propose and discuss the mechanisms of terahertz sd exchange radiation during transmission of the spin-polarized current in a structure from a thin steel rod pressured to an ultrathin ferromagnetic film. The two mechanisms considered are quantum transitions between the quasi-Fermi levels in the film near the rod and precession of injected spins around the film magnetization.
引用
收藏
页码：347 / 348
页数：2
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