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Abrupt Rotation of the Rashba Spin to the Direction Perpendicular to the Surface
Chiba University.
Kanazawa University.
Hiroshima University.
Hiroshima University.
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2009 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 102, no 9, 096805- p.Article in journal (Refereed) Published
Abstract [en]

The polarization vector of the Rashba spin, which must be parallel to the two-dimensional (2D) plane in an ideal system, is found to change abruptly and definitely to the direction perpendicular to the surface at the K̅ point of the Brillouin zone of a real hexagonal system, the Tl/Si(111)-(1×1) surface. This finding obtained experimentally by angle-resolved and spin-resolved photoemission measurements is fully confirmed by a first-principles theoretical calculation. We found that the abrupt rotation of the Rashba spin is simply understood by the 2D symmetry of the hexagonal structure.

Place, publisher, year, edition, pages
2009. Vol. 102, no 9, 096805- p.
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-17497DOI: 10.1103/PhysRevLett.102.096805ISI: 000263911900053OAI: diva2:209874
Available from: 2013-03-26 Created: 2009-03-27 Last updated: 2013-03-26Bibliographically approved

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