Current-Induced Polarization and the Spin Hall Effect at Room Temperature

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dc.creatorStern, N. P.
dc.creatorGhosh, S.
dc.creatorXiang, G.
dc.creatorZhu, M.
dc.creatorSamarth, N.
dc.creatorAwschalom, D. D.
dc.date2006-07-11
dc.date.accessioned2026-07-07T07:15:57Z
dc.date.available2026-07-07T07:15:57Z
dc.descriptionElectrically-induced electron spin polarization is imaged in n-type ZnSe epilayers using Kerr rotation spectroscopy. Despite no evidence for an electrically-induced internal magnetic field, current-induced in-plane spin polarization is observed with characteristic spin lifetimes that decrease with doping density. The spin Hall effect is also observed, indicated by an electrically-induced out-of-plane spin polarization with opposite sign for spins accumulating on opposite edges of the sample. The spin Hall conductivity is estimated as 3 +/- 1.5 Ohms**-1 m**-1/|e| at 20 K, which is consistent with the extrinsic mechanism. Both the current-induced spin polarization and the spin Hall effect are observed at temperatures from 10 K to 295 K.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0607288
dc.identifierhttp://arxiv.org/abs/cond-mat/0607288
dc.identifierPhys.Rev.Lett. 97, 126603 (2006)
dc.identifierdoi:10.1103/PhysRevLett.97.126603
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/113409
dc.subjectMesoscale and Nanoscale Physics
dc.subjectMaterials Science
dc.titleCurrent-Induced Polarization and the Spin Hall Effect at Room Temperature
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