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Article: Quadratic magnetic field dependence of magnetoelectric photocurrent

TitleQuadratic magnetic field dependence of magnetoelectric photocurrent
Authors
Issue Date2011
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2011, v. 83 n. 15 How to Cite?
AbstractWe experimentally study the spin and electric photocurrents excited by a linearly polarized light via direct interband transitions in an InGaAs/InAlAs quantum well. In the absence of a magnetic field, the linearly polarized light induces a pure spin current due to the spin-orbit coupling, which may be transformed into a measurable electric current by applying an in-plane magnetic field. The induced electric photocurrent is linear with the in-plane magnetic field. Here, we report a quadratic magnetic field dependence of the photocurrent in the presence of an additional perpendicular component of the magnetic field. We attribute the observation to the Hall effect of magnetoelectric photocurrent. © 2011 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/134446
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID
Funding AgencyGrant Number
Research Grant Council of Hong KongHKU 10/CRF/08
HKU 704107P
HKU701308P
Funding Information:

This work was supported by the Research Grant Council of Hong Kong under Grants No. HKU 10/CRF/08, No. HKU 704107P, and No. HKU701308P.

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorDai, Jen_HK
dc.contributor.authorLu, HZen_HK
dc.contributor.authorShen, SQen_HK
dc.contributor.authorZhang, FCen_HK
dc.contributor.authorCui, Xen_HK
dc.date.accessioned2011-06-17T09:20:58Z-
dc.date.available2011-06-17T09:20:58Z-
dc.date.issued2011en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2011, v. 83 n. 15en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/134446-
dc.description.abstractWe experimentally study the spin and electric photocurrents excited by a linearly polarized light via direct interband transitions in an InGaAs/InAlAs quantum well. In the absence of a magnetic field, the linearly polarized light induces a pure spin current due to the spin-orbit coupling, which may be transformed into a measurable electric current by applying an in-plane magnetic field. The induced electric photocurrent is linear with the in-plane magnetic field. Here, we report a quadratic magnetic field dependence of the photocurrent in the presence of an additional perpendicular component of the magnetic field. We attribute the observation to the Hall effect of magnetoelectric photocurrent. © 2011 American Physical Society.en_HK
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B - Condensed Matter and Materials Physicsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.-
dc.titleQuadratic magnetic field dependence of magnetoelectric photocurrenten_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=83&issue=15, article no. 155307&spage=155307&epage=1&date=2011&atitle=Quadratic+magnetic+field+dependence+of+magnetoelectric+photocurrent-
dc.identifier.emailLu, HZ: luhz@hku.hken_HK
dc.identifier.emailShen, SQ: sshen@hkucc.hku.hken_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.emailCui, X: xdcui@hku.hken_HK
dc.identifier.authorityLu, HZ=rp01599en_HK
dc.identifier.authorityShen, SQ=rp00775en_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.identifier.authorityCui, X=rp00689en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.83.155307en_HK
dc.identifier.scopuseid_2-s2.0-79961104745en_HK
dc.identifier.hkuros185920en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79961104745&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume83en_HK
dc.identifier.issue15en_HK
dc.identifier.spage155307-1en_US
dc.identifier.epage155307-4en_US
dc.identifier.isiWOS:000289350300004-
dc.publisher.placeUnited Statesen_HK
dc.relation.projectTheoretical Study of Optically Injected Spin Current and Its Scattering Effect-
dc.identifier.scopusauthoridDai, J=36722538500en_HK
dc.identifier.scopusauthoridLu, HZ=24376662200en_HK
dc.identifier.scopusauthoridShen, SQ=7403431266en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK
dc.identifier.scopusauthoridCui, X=10839907500en_HK

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