Local control of spin flow in weak magnetic fields

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dc.creatorQuast, J. -H.
dc.creatorAstakhov, G. V.
dc.creatorOssau, W.
dc.creatorMolenkamp, L. W.
dc.creatorHeinrich, J.
dc.creatorHofling, S.
dc.creatorForchel, A.
dc.date2008-10-24
dc.date.accessioned2026-07-07T10:13:01Z
dc.date.available2026-07-07T10:13:01Z
dc.descriptionWe demonstrate that optical illumination strongly influences spin transport in n-type GaAs. Specifically, increasing the power density of optical spin pumping results in a significant expansion of the spin diffusion profile. A further means of manipulation is the application of a weak transverse magnetic field, which strongly increases spin flow out of the excitation spot. These effects are directly monitored in spin imaging experiments and spatially resolved Hanle measurements.
dc.identifierhttps://arxiv.org/abs/0810.4390
dc.identifierhttp://arxiv.org/abs/0810.4390
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/172381
dc.subjectMaterials Science
dc.titleLocal control of spin flow in weak magnetic fields
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