Article: Giant mesoscopic spin hall effect on the surface of topological insulator

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TitleGiant mesoscopic spin hall effect on the surface of topological insulator
AuthorsGao, JH1
Yuan, J1
Chen, WQ1
Zhou, Y2
Zhang, FC1 2
KeywordsBallistic transports
Klein paradox
Mesoscopics
Scanning tunneling microscopes
Spin Hall effect
Issue Date2011
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
CitationPhysical Review Letters, 2011, v. 106 n. 5 [How to Cite?]
DOI: http://dx.doi.org/10.1103/PhysRevLett.106.057205
AbstractWe study mesoscopic spin Hall effect on the surface of a topological insulator with a step-function potential by using the McMillan method commonly used in the study of superconductor junctions. In the ballistic transport regime, we predict a giant spin polarization induced by a transverse electric current with parameter suitable to the topological insulator thin film Bi 2Se 3. The spin polarization oscillates across the potential boundary with no confinement due to the Klein paradox, and should be observable in a spin resolved scanning tunneling microscope. © 2011 American Physical Society.
ISSN0031-9007
2011 Impact Factor: 7.37
2011 SCImago Journal Rankings: 0.633
DOIhttp://dx.doi.org/10.1103/PhysRevLett.106.057205
ISI Accession Number IDWOS:000286879900017
Funding AgencyGrant Number
HKSAR RGCHKU 701010
CRF HKU 707010
National Basic Research Program of China (973 Program)2011CBA00103
NSFC11074218
PCSIRTIRT0754
Funding Information:

We acknowledge financial support from HKSAR RGC Grants No. HKU 701010 and No. CRF HKU 707010. Y.Z. is supported by the National Basic Research Program of China (973 Program, No. 2011CBA00103), NSFC (No. 11074218), and PCSIRT (No. IRT0754).

ReferencesReferences in Scopus
DC Field
Value
dc.contributor.authorGao, JH
dc.contributor.authorYuan, J
dc.contributor.authorChen, WQ
dc.contributor.authorZhou, Y
dc.contributor.authorZhang, FC
dc.date.accessioned2011-09-23T05:52:38Z
dc.date.available2011-09-23T05:52:38Z
dc.date.issued2011
dc.description.abstractWe study mesoscopic spin Hall effect on the surface of a topological insulator with a step-function potential by using the McMillan method commonly used in the study of superconductor junctions. In the ballistic transport regime, we predict a giant spin polarization induced by a transverse electric current with parameter suitable to the topological insulator thin film Bi 2Se 3. The spin polarization oscillates across the potential boundary with no confinement due to the Klein paradox, and should be observable in a spin resolved scanning tunneling microscope. © 2011 American Physical Society.
dc.description.naturepublished_or_final_version
dc.identifier.citationPhysical Review Letters, 2011, v. 106 n. 5 [How to Cite?]
DOI: http://dx.doi.org/10.1103/PhysRevLett.106.057205
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevLett.106.057205
dc.identifier.hkuros193504
dc.identifier.isiWOS:000286879900017
Funding AgencyGrant Number
HKSAR RGCHKU 701010
CRF HKU 707010
National Basic Research Program of China (973 Program)2011CBA00103
NSFC11074218
PCSIRTIRT0754
Funding Information:

We acknowledge financial support from HKSAR RGC Grants No. HKU 701010 and No. CRF HKU 707010. Y.Z. is supported by the National Basic Research Program of China (973 Program, No. 2011CBA00103), NSFC (No. 11074218), and PCSIRT (No. IRT0754).

dc.identifier.issn0031-9007
2011 Impact Factor: 7.37
2011 SCImago Journal Rankings: 0.633
dc.identifier.issue5
dc.identifier.openurl
dc.identifier.pmid21405429
dc.identifier.scopuseid_2-s2.0-79551635140
dc.identifier.urihttp://hdl.handle.net/10722/139611
dc.identifier.volume106
dc.languageeng
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
dc.publisher.placeUnited States
dc.relation.ispartofPhysical Review Letters
dc.relation.referencesReferences in Scopus
dc.rightsPhysical Review Letters. Copyright © American Physical Society.
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
dc.subjectBallistic transports
dc.subjectKlein paradox
dc.subjectMesoscopics
dc.subjectScanning tunneling microscopes
dc.subjectSpin Hall effect
dc.titleGiant mesoscopic spin hall effect on the surface of topological insulator
dc.typeArticle
Author Affiliations
  1. The University of Hong Kong
  2. Zhejiang University