Quadratic dependence of the spin-induced Hall voltage on longitudinal electric field

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Title Quadratic dependence of the spin-induced Hall voltage on longitudinal electric field
Author Miah, Mohammad Idrish
Journal Name Materials Chemistry and Physics
Editor H. Chen, L J Chen, W. Gust
Year Published 2008
Place of publication Switzerland
Publisher Elsevier S.A.
Abstract The effect of optically induced spins in semiconductors in the low electric field is investigated. Here we report an experiment which investigates the effect of a longitudinal electric field (E) on the spin-polarized carriers generated by a circularly polarized light in semiconductors. Our experiment observes the effect as a spin-induced anomalous Hall voltage (VAH) resulting from spin-carrier electrons accumulating at the transverse edges of the sample. Unlike the ordinary Hall effect, a quadratic dependence of VAH on E is observed, which agrees with the results of the recent theoretical investigations. It is also found that VAH depends on the doping density. The results are discussed. © 2008 Elsevier B.V. All rights reserved.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.elsevier.com/locate/matchemphys
Alternative URI http://dx.doi.org/10.1016/j.matchemphys.2008.04.058
Volume 111
Issue Number 2-3
Page from 419
Page to 422
ISSN 0254-0584
Date Accessioned 2009-05-01
Date Available 2009-12-07T03:36:16Z
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Chemical Engineering
URI http://hdl.handle.net/10072/23462
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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