Spintronic emitter of terahertz radiation based on two-dimensional semiconductor tungsten diselenide
Buryakov A.M.
1, Gorbatova A. V.
1, Avdeev P. Yu.
1, Bezvikonny N. V.
1, Ovcharenko S. V.
1, Klimov A. A.
1, Stankevich K. L.
2, Mishina E. D.
11MIREA - Russian Technological University, Moscow, Russia
2Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow, Russia
Email: buryakov@mirea.ru, gorbatova.anastasiya@mail.ru, pasha.avdeev.2000@mail.ru, serg30101993@gmail.com, Mishina_elena57@mail.ru
We propose a new spintronic emitter based on the Co/WSe2 heterostructure. The time of ultrafast demagnetization is estimated. It is shown that the two-dimensional ferromagnet/semiconductor interface exhibits strong spin-orbit coupling. Approaches to the description of the mechanism of generation of THz radiation are implemented. It is shown that the polarization orientation of THz radiation depends on the direction of magnetization Keywords: Spintronic emitter, THz radiation, two-dimensional semiconductors, Co/WSe2, THz polarization.
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