Superconducting triplet proximity and Josephson spin valves
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TAGIROV, Lenar, KUPRIYANOV, Mihail, KUSHNIR, Vasilij, SIDORENKO, Anatolie. Superconducting triplet proximity and Josephson spin valves. In: NanoScience and Technology, 21 iunie 2018, Dusseldorf. Dusseldorf, Germania: Springer Verlag, 2018, pp. 31-47. ISBN 14344904. DOI: https://doi.org/10.1007/978-3-319-90481-8_2
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NanoScience and Technology 2018
Sesiunea "NanoScience and Technology"
Dusseldorf, Germania, 21 iunie 2018

Superconducting triplet proximity and Josephson spin valves

DOI:https://doi.org/10.1007/978-3-319-90481-8_2

Pag. 31-47

Tagirov Lenar123, Kupriyanov Mihail34, Kushnir Vasilij56, Sidorenko Anatolie7
 
1 Zavoisky Physical Technical Institute of the Russian Academy of Sciences,
2 University of Augsburg,
3 Kazan Federal University,
4 D.V. Skobeltsyn Institute of Nuclear Physics, M.V. Lomonosov Moscow State University,
5 Belarusian State University of Informatics and Radioelectronics,
6 Belarusian State University,
7 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu"
 
 
Disponibil în IBN: 7 ianuarie 2022


Rezumat

A heterostructure comprising several ferromagnetic and superconducting layers acquires functionality of managing the superconducting properties of a system applying external magnetic field. At non-collinear magnetic configurations of the ferromagnetic layers, spin-triplet pairings can be induced in these heterostructures. The triplet pairing channel brings additional degrees of freedom to manage superconducting transition temperature in proximity effect superconducting spin valves. Applied to Josephson junctions’ physics, a robust long-range pairing in ferromagnetic weak links produces spin-polarized Josephson currents available for manipulations with magnetic fields and currents. The unique features of the spin-triplet pairings in superconductor–ferromagnet heterostructures make them promising for superconducting spintronics (supertronics).

Cuvinte-cheie
Josephson effect with ferromagnetic weak links, Spin-triplet pairing, Superconducting spin valves, Superconductor–ferromagnet heterostructures, Superconductor–ferromagnet proximity effect, Thin film nanostructures