Superconducting Valve Exploiting Interplay between Spin-Orbit and Exchange Interactions

Neilo, A.; Bakurskiy, S.; Klenov, N.; Soloviev, I.; Kupriyanov, M.

Авторы: Neilo Alexey, Bakurskiy Sergey, Klenov Nikolay, Soloviev Igor, Kupriyanov Mikhail
Журнал: Nanomaterials
Том: 12
Год издания: 2022
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 1
Последняя страница: 15
Номер статьи: 4426
DOI: 10.3390/nano12244426
Аннотация: We theoretically investigated the proximity effect in SNSOF and SF’F structures consistingof a superconductor (S), a normal metal (NSO), and ferromagnetic (F’,F) thin films with spin–orbitinteraction (SOI) in the NSO layer. We show that a normal layer with spin–orbit interaction effectivelysuppresses triplet correlations generated in a ferromagnetic layer. Due to this effect, the critical temperature of the superconducting layer in the SNSOF multilayer turns out to be higher than in a similar multilayer without spin–orbit interaction in the N layer. Moreover, in the presence of a mixedtype of spin–orbit interaction involving the Rashba and Dresselhaus components, the SNSOF structureis a spin valve, whose critical temperature is determined by the direction of the magnetization vector in the F layer. We calculated the control characteristics of the SNSOF spin valve and compared them with those available in traditional SF’F devices with two ferromagnetic layers. We concluded that SNSOF structures with one controlled F layer provide solid advantages over the broadly consideredSF’F spin valves, paving the way for high-performance storage components for superconductingelectronics.
Добавил в систему: Куприянов Михаил Юрьевич

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