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Nuclear Dynamic Polarization by Optical Electronic Saturation and Optical Pumping in Semiconductors
Abstract
A nonresonant Overhauser effect by photoexcited conduction electrons is obtained on ${\mathrm{Si}}^{29}$ nuclei in silicon at 77\ifmmode^\circ\else\textdegree\fi{}K in two different ways: (a) Saturation of the electronic magnetization is achieved with unpolarized light by exciting an equal number of spins up and spins down. (b) Polarized electronic spins are produced by optical pumping with circularly polarized light; the nuclear magnetization obtained in 1 G by optically pumped electrons corresponds to the equilibrium value at 77\ifmmode^\circ\else\textdegree\fi{}K in 28 kG.
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Citations
Cited by
Photoemission of spin-polarized electrons from GaAs
Pierce, D. T., & Meier, F. (1976) · Physical Review B · doi:10.1103/physrevb.13.5484 · Cited by 527
Spin photocurrents in quantum wells
Ganichev, S. D., & Prettl, W. (2003) · Journal of Physics: Condensed Matter · doi:10.1088/0953-8984/15/20/204 · Cited by 406
Nuclear spin physics in quantum dots: An optical investigation
Urbaszek, B., Marie, X., Amand, T., Krebs, O., Voisin, P., Maletinsky, P., Högele, A., & Imamoglu, A. (2013) · Reviews of Modern Physics · doi:10.1103/revmodphys.85.79 · Cited by 375
Optical-helicity-driven magnetization dynamics in metallic ferromagnets
Choi, G.-M., Schleife, A., & Cahill, D. G. (2017) · Nature Communications · doi:10.1038/ncomms15085 · Cited by 107
Metadata
- Authors
- Lampel, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1968-03-04
- Volume
- 20
- Issue
- 10
- Pages
- 491-493
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2092102140
- Cited by
- 478
- References
- 0
- FWCI
- 2.86
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lampel, G. (1968). Nuclear Dynamic Polarization by Optical Electronic Saturation and Optical Pumping in Semiconductors. Physical Review Letters. https://doi.org/10.1103/physrevlett.20.491
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