Publikation: Superconducting proximity effect in a diffusive ferromagnet with spin-active interfaces
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2005
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Cottet, Audrey
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Physical Review B. 2005, 72, 180503. Available under: doi: 10.1103/PhysRevB.72.180503
Zusammenfassung
We reconsider the problem of the superconducting proximity effect in a diffusive ferromagnet bounded by tunneling interfaces, using spin-dependent boundary conditions. This introduces for each interface a phase-shifting conductance G Φ which results from the spin dependence of the phase shifts acquired by electrons upon scattering on the interface. We show that G Φ strongly affects the density of states and supercurrents predicted for superconducting/ferromagnetic hybrid circuits. We show the relevance of this effect by identifying clear signatures of G Φ in the data of T.Kontos et al. [Phys. Rev. Lett. 86, 304 (2001), 89, 137007 (2002)].
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COTTET, Audrey, Wolfgang BELZIG, 2005. Superconducting proximity effect in a diffusive ferromagnet with spin-active interfaces. In: Physical Review B. 2005, 72, 180503. Available under: doi: 10.1103/PhysRevB.72.180503BibTex
@article{Cottet2005Super-5126,
year={2005},
doi={10.1103/PhysRevB.72.180503},
title={Superconducting proximity effect in a diffusive ferromagnet with spin-active interfaces},
volume={72},
journal={Physical Review B},
author={Cottet, Audrey and Belzig, Wolfgang},
note={Article Number: 180503}
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<dcterms:abstract xml:lang="eng">We reconsider the problem of the superconducting proximity effect in a diffusive ferromagnet bounded by tunneling interfaces, using spin-dependent boundary conditions. This introduces for each interface a phase-shifting conductance G Φ which results from the spin dependence of the phase shifts acquired by electrons upon scattering on the interface. We show that G Φ strongly affects the density of states and supercurrents predicted for superconducting/ferromagnetic hybrid circuits. We show the relevance of this effect by identifying clear signatures of G Φ in the data of T.Kontos et al. [Phys. Rev. Lett. 86, 304 (2001), 89, 137007 (2002)].</dcterms:abstract>
<dc:contributor>Cottet, Audrey</dc:contributor>
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