Spin injection into superconductors

S. Maekawa; S. Takahashi; H. Imamura

doi:10.1088/0022-3727/35/19/321

Spin injection into superconductors

S. Maekawa, S. Takahashi, H. Imamura

Materials Property Division

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

It is shown that when a spin-polarized current is injected into a superconductor from a ferromagnet in ferromagnet/superconductor (FM/SC) and FM/SC/FM tunnel junctions, the spin and charge degrees of freedom of electrons are carried by quasi-particles and Cooper pairs in SC, respectively. The spin accumulation competes with the superconductivity and the spin current gives rise to the transverse charge current in SC.

Original language	English
Pages (from-to)	2452-2456
Number of pages	5
Journal	Journal of Physics D: Applied Physics
Volume	35
Issue number	19
DOIs	https://doi.org/10.1088/0022-3727/35/19/321
Publication status	Published - 2002 Oct 7

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

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abstract = "It is shown that when a spin-polarized current is injected into a superconductor from a ferromagnet in ferromagnet/superconductor (FM/SC) and FM/SC/FM tunnel junctions, the spin and charge degrees of freedom of electrons are carried by quasi-particles and Cooper pairs in SC, respectively. The spin accumulation competes with the superconductivity and the spin current gives rise to the transverse charge current in SC.",

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AB - It is shown that when a spin-polarized current is injected into a superconductor from a ferromagnet in ferromagnet/superconductor (FM/SC) and FM/SC/FM tunnel junctions, the spin and charge degrees of freedom of electrons are carried by quasi-particles and Cooper pairs in SC, respectively. The spin accumulation competes with the superconductivity and the spin current gives rise to the transverse charge current in SC.

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JF - Journal Physics D: Applied Physics

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Spin injection into superconductors

Abstract

ASJC Scopus subject areas

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