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Interplay between spin-relaxation and Andreev reflection in ferromagnetic wires with superconducting contacts

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Interplay between spin-relaxation and Andreev reflection in ferromagnetic wires with superconducting contacts. / Fal'ko, V I ; Falko, Vladimir; Volkov, A F et al.
In: Physical review B, Vol. 60, No. 22, 01.12.1999, p. 15394-15397.

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Fal'ko VI, Falko V, Volkov AF, Lambert C. Interplay between spin-relaxation and Andreev reflection in ferromagnetic wires with superconducting contacts. Physical review B. 1999 Dec 1;60(22):15394-15397. doi: 10.1103/PhysRevB.60.15394

Author

Fal'ko, V I ; Falko, Vladimir ; Volkov, A F et al. / Interplay between spin-relaxation and Andreev reflection in ferromagnetic wires with superconducting contacts. In: Physical review B. 1999 ; Vol. 60, No. 22. pp. 15394-15397.

Bibtex

@article{f0e9c4bdd9f84af890655d10737a919f,
title = "Interplay between spin-relaxation and Andreev reflection in ferromagnetic wires with superconducting contacts",
abstract = "We analyze the change in the resistance of a junction between a diffusive ferromagnetic (F) wire and normal-metal electrode, due to the onset of superconductivity (S) in the latter and a double Andreev scattering process leading to a complete internal reflection of a large fraction of the spin-polarized electrons back into the ferromagnet. The superconducting transition results in an additional contact resistance arising from the necessity to match the spin-polarized current in F wire to the spinless current in S reservoir, which is comparable to the resistance of a piece of a F wire with the length equal to the spin-relaxation length. [S0163-1829(99)03342-1].",
author = "Fal'ko, {V I} and Vladimir Falko and Volkov, {A F} and Colin Lambert",
year = "1999",
month = dec,
day = "1",
doi = "10.1103/PhysRevB.60.15394",
language = "English",
volume = "60",
pages = "15394--15397",
journal = "Physical review B",
issn = "1098-0121",
publisher = "AMER PHYSICAL SOC",
number = "22",

}

RIS

TY - JOUR

T1 - Interplay between spin-relaxation and Andreev reflection in ferromagnetic wires with superconducting contacts

AU - Fal'ko, V I

AU - Falko, Vladimir

AU - Volkov, A F

AU - Lambert, Colin

PY - 1999/12/1

Y1 - 1999/12/1

N2 - We analyze the change in the resistance of a junction between a diffusive ferromagnetic (F) wire and normal-metal electrode, due to the onset of superconductivity (S) in the latter and a double Andreev scattering process leading to a complete internal reflection of a large fraction of the spin-polarized electrons back into the ferromagnet. The superconducting transition results in an additional contact resistance arising from the necessity to match the spin-polarized current in F wire to the spinless current in S reservoir, which is comparable to the resistance of a piece of a F wire with the length equal to the spin-relaxation length. [S0163-1829(99)03342-1].

AB - We analyze the change in the resistance of a junction between a diffusive ferromagnetic (F) wire and normal-metal electrode, due to the onset of superconductivity (S) in the latter and a double Andreev scattering process leading to a complete internal reflection of a large fraction of the spin-polarized electrons back into the ferromagnet. The superconducting transition results in an additional contact resistance arising from the necessity to match the spin-polarized current in F wire to the spinless current in S reservoir, which is comparable to the resistance of a piece of a F wire with the length equal to the spin-relaxation length. [S0163-1829(99)03342-1].

U2 - 10.1103/PhysRevB.60.15394

DO - 10.1103/PhysRevB.60.15394

M3 - Journal article

VL - 60

SP - 15394

EP - 15397

JO - Physical review B

JF - Physical review B

SN - 1098-0121

IS - 22

ER -