Reentrance phenomenon in superconductor/ferromagnet nanostructures and their application in superconducting spin valves for superconducting electronics

Автор(и)

  • A.S. Sidorenko D. Ghitsu Institute of Electronic Engineering and Nanotechnologies ASM, MD-2028 Kishinev, Moldova

DOI (Low Temperature Physics):


https://doi.org/10.1063/1.4995623

Ключові слова:

superconducting films and multilayers nanostructures, superconducting spin valves, interference phenomena.

Анотація

In superconductor/ferromagnet layered structures, a Fulde–Ferrell–Larkin–Ovchinnikov-like inhomogeneous superconducting pairing give rise. The singlet and zero-projection triplet components of the pairing oscillate in space, and the presence of interfaces causes interference phenomena. As the result of the interference, the superconducting critical temperature Tc oscillates as a function of the ferromagnetic layer thicknesses or, even more spectacular, reentrant superconductivity appears. Two ferromagnetic layers can be combined with a superconducting layer into a superconducting spin valve. Proper design and choice of the material parameters give possibility to control superconducting Tc manipulating with magnetic configurations in the system. The conditions to get large spin-valve effect, i.e., a large shift in the critical temperature, are reviewed in the article.

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Опубліковано

2017-05-17

Як цитувати

(1)
A.S. Sidorenko, Reentrance phenomenon in superconductor/ferromagnet nanostructures and their application in superconducting spin valves for superconducting electronics, Low Temp. Phys. 43, (2017) [Fiz. Nizk. Temp. 43, 962-968, (2017)] DOI: https://doi.org/10.1063/1.4995623.

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