Nuclear magnetic resonance in a ferromagnet-semiconductor heterostructure

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

doi:10.1063/1.1620685

Nuclear magnetic resonance in a ferromagnet-semiconductor heterostructure

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

Physics and Astronomy (Twin Cities)

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14 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 language	English (US)
Pages (from-to)	3335-3337
Number of pages	3
Journal	Applied Physics Letters
Volume	83
Issue number	16
DOIs	https://doi.org/10.1063/1.1620685
State	Published - Oct 20 2003

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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.",

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AU - Isakovic, A. F.

AU - Lou, X.

AU - Crowell, P. A.

AU - Schultz, B. D.

AU - Palmstrøm, C. J.

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AB - 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.

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Nuclear magnetic resonance in a ferromagnet-semiconductor heterostructure

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