Evidence for suppression of superconductivity by spin imbalance in Co-Al-Co single-electron transistors

C. D. Chen; Watson Kuo; D. S. Chung; J. H. Shyu; C. S. Wu

Evidence for suppression of superconductivity by spin imbalance in Co-Al-Co single-electron transistors

C. D. Chen, Watson Kuo, D. S. Chung, J. H. Shyu, C. S. Wu

Department of Physics

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

57 Citations (Scopus)

Abstract

The superconducting gap suppression under spin-polarized quasiparticle currents in ferromagnet-superconductor-ferromagnet single-electron transistors was reported. The superconducting gap was measured as a function of magnetic field. The superconducting gap was found to be strongly suppressed by polarized quasiparticle injection from the ferromagnetic leads if the magnetizations of the two leads were misaligned.

Original language	English
Article number	047004
Pages (from-to)	470041-470044
Number of pages	4
Journal	Physical Review Letters
Volume	88
Issue number	4
Publication status	Published - 2002 Jan 28

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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title = "Evidence for suppression of superconductivity by spin imbalance in Co-Al-Co single-electron transistors",

abstract = "The superconducting gap suppression under spin-polarized quasiparticle currents in ferromagnet-superconductor-ferromagnet single-electron transistors was reported. The superconducting gap was measured as a function of magnetic field. The superconducting gap was found to be strongly suppressed by polarized quasiparticle injection from the ferromagnetic leads if the magnetizations of the two leads were misaligned.",

author = "Chen, {C. D.} and Watson Kuo and Chung, {D. S.} and Shyu, {J. H.} and Wu, {C. S.}",

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AU - Chung, D. S.

AU - Shyu, J. H.

AU - Wu, C. S.

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AB - The superconducting gap suppression under spin-polarized quasiparticle currents in ferromagnet-superconductor-ferromagnet single-electron transistors was reported. The superconducting gap was measured as a function of magnetic field. The superconducting gap was found to be strongly suppressed by polarized quasiparticle injection from the ferromagnetic leads if the magnetizations of the two leads were misaligned.

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