1973
DOI: 10.1139/p73-095
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Optical Pumping of Spin-Polarized Conduction Electrons and Inelastic Scattering by Neutral Acceptors

Abstract: The energy relaxation mechanisms of conduction electrons in p-type GaSb at 1.9 OK are investigated by an optical pumping technique. Spin-polarized electrons are excited across the forbidden band gap with circularly polarized light. The number of photocreated electrons is obtained from the intensity of the photoluminescence; and the spin polarization from thedegreeof polarization of the photoluminescence. The experiment shows that the number of electrons and the spin polarization at the conduction band edge dep… Show more

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Cited by 3 publications
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