Measurement of spin-dependent conductivities in a two-dimensional electron gas

H. Ebrahimnejad, Y. Ren, S. M. Frolov, I. Adagideli, J. A. Folk, W. Wegscheider

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Spin accumulation is generated by injecting an unpolarized charge current into a channel of GaAs two-dimensional electron gas subject to an in-plane magnetic field, then measured in a nonlocal geometry. Unlike previous measurements that have used spin-polarized nanostructures, here the spin accumulation arises simply from the difference in bulk conductivities for spin-up and spin-down carriers. Comparison to a diffusive model that includes spin subband splitting in magnetic field suggests a significantly enhanced electron spin susceptibility in the two-dimensional electron gas.
Original languageEnglish
Article number041305(R)
JournalPhysical Review B
Volume82
Issue number4
DOIs
Publication statusPublished - 15 Jul 2010
Externally publishedYes

Fingerprint

Dive into the research topics of 'Measurement of spin-dependent conductivities in a two-dimensional electron gas'. Together they form a unique fingerprint.

Cite this