Low Temperature Physics: 39, 274 (2013); https://doi.org/10.1063/1.4795198 (5 pages)
Fizika Nizkikh Temperatur: Volume 39, Number 3 (March 2013), p. 354-359    ( to contents , go back )

Andreev experiments on superconductor/ferromagnet point contacts

S. Bouvron*, M. Stokmaier**, and M. Marz

Physikalisches Institut, Karlsruher Institut für Technologie (KIT), 76131 Karlsruhe, Germany

G. Goll

Physicalisches Institut and DFG-Zentrum fьr Funktionelle Nanostrukturen, Karlsruher Institut fьr Technologie (KIT), 76131 Karlsruhe, Germany
E-mail: gernot.goll@kit.edu
pos Анотація:

Received December 5, 2012

Abstract

Andreev reflection is a smart tool to investigate the spin polarization P of the current through point contacts between a superconductor and a ferromagnet. We compare different models to extract P from experimental data and investigate the dependence of P on different contact parameters.

PACS: 72.25.Ba Spin polarized transport in metals;
PACS: 73.23.–b Electronic transport in mesoscopic systems;
PACS: 73.63.Rt Nanoscale contacts;
PACS: 74.78.Na Mesoscopic and nanoscale systems;
PACS: 81.07.Lk Nanocontacts.

Key words: Andreev reflection, spin polarization, point contacts.

Download 1923999 byte View Contents