Nuclear magnetic resonance in a ferromagnet-semiconductor heterostructure

J. Strand, A. F. Isakovic, X. Lou, P. A. Crowell, B. D. Schultz, C. J. Palmstrøm

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The study of nuclear magnetic resonance (NMR) in a ferromagnet-semiconductor heterostructure, based on the investigation of spin-polarization current, was presented. The dynamic polarization process, lasting approximately 20 s, polarized a large nuclear spin population in a GaAs quantum well. The results showed that nuclear polarization persisted for several minutes even after switching off the current, while in the presence of ac magnetic field resonant depolarization was observed.

Original languageEnglish (US)
Pages (from-to)3335-3337
Number of pages3
JournalApplied Physics Letters
Volume83
Issue number16
DOIs
StatePublished - Oct 20 2003

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