Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction

Physics

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Published

Standard

Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction. / Falko, Vladimir; Tkachov, G ; McCann, E .
Electronic Correlations: From Meso- to Nano-Physics. ed. / T Martin; G Montambaux; JT ThanhVan. Les Ulis: E D P SCIENCES, 2001. p. 147-152.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Harvard

Falko, V, Tkachov, G & McCann, E 2001, Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction. in T Martin, G Montambaux & JT ThanhVan (eds), Electronic Correlations: From Meso- to Nano-Physics. E D P SCIENCES, Les Ulis, pp. 147-152, 36th Rencontres de Moriond on Electronic Correlations, Savoie, 20/01/01.

APA

Falko, V., Tkachov, G., & McCann, E. (2001). Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction. In T. Martin, G. Montambaux, & JT. ThanhVan (Eds.), Electronic Correlations: From Meso- to Nano-Physics (pp. 147-152). E D P SCIENCES.

Vancouver

Falko V, Tkachov G, McCann E. Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction. In Martin T, Montambaux G, ThanhVan JT, editors, Electronic Correlations: From Meso- to Nano-Physics. Les Ulis: E D P SCIENCES. 2001. p. 147-152

Author

Falko, Vladimir ; Tkachov, G ; McCann, E . / Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction. Electronic Correlations: From Meso- to Nano-Physics. editor / T Martin ; G Montambaux ; JT ThanhVan. Les Ulis : E D P SCIENCES, 2001. pp. 147-152

Bibtex

@inproceedings{12cab903337f4f2492230209df08aee8,

title = "Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction",

abstract = "We study subgap transport in a ferromagnet-superconductor junction at low temperature due to Andreev reflection. The mismatch of spin polarized current in the ferromagnet and spinless current in the superconductor results in an additional contact resistance which can be reduced by magnon emission in the ferromagnet. Using the s-f model and focusing on half-metallic ferromagnets, we calculate the corresponding nonlinear contribution to the current which is asymmetric with respect to the sign of the bias voltage and is related to the density of states of magnons in the ferromagnet.",

author = "Vladimir Falko and G Tkachov and E McCann",

year = "2001",

language = "English",

isbn = "2-86883-570-8",

pages = "147--152",

editor = "T Martin and G Montambaux and JT ThanhVan",

booktitle = "Electronic Correlations: From Meso- to Nano-Physics",

publisher = "E D P SCIENCES",

note = "36th Rencontres de Moriond on Electronic Correlations ; Conference date: 20-01-2001 Through 27-01-2001",

}

RIS

TY - GEN

T1 - Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction

AU - Falko, Vladimir

AU - Tkachov, G

AU - McCann, E

PY - 2001

Y1 - 2001

N2 - We study subgap transport in a ferromagnet-superconductor junction at low temperature due to Andreev reflection. The mismatch of spin polarized current in the ferromagnet and spinless current in the superconductor results in an additional contact resistance which can be reduced by magnon emission in the ferromagnet. Using the s-f model and focusing on half-metallic ferromagnets, we calculate the corresponding nonlinear contribution to the current which is asymmetric with respect to the sign of the bias voltage and is related to the density of states of magnons in the ferromagnet.

AB - We study subgap transport in a ferromagnet-superconductor junction at low temperature due to Andreev reflection. The mismatch of spin polarized current in the ferromagnet and spinless current in the superconductor results in an additional contact resistance which can be reduced by magnon emission in the ferromagnet. Using the s-f model and focusing on half-metallic ferromagnets, we calculate the corresponding nonlinear contribution to the current which is asymmetric with respect to the sign of the bias voltage and is related to the density of states of magnons in the ferromagnet.

M3 - Conference contribution/Paper

SN - 2-86883-570-8

SP - 147

EP - 152

BT - Electronic Correlations: From Meso- to Nano-Physics

A2 - Martin, T

A2 - Montambaux, G

A2 - ThanhVan, JT

PB - E D P SCIENCES

CY - Les Ulis

T2 - 36th Rencontres de Moriond on Electronic Correlations

Y2 - 20 January 2001 through 27 January 2001

ER -

Research