TY - JOUR
T1 - Abrupt rotation of the rashba spin to the direction perpendicular to the surface
AU - Sakamoto, Kazuyuki
AU - Oda, Tatsuki
AU - Kimura, Akio
AU - Miyamoto, Koji
AU - Tsujikawa, Masahito
AU - Imai, Ayako
AU - Ueno, Nobuo
AU - Namatame, Hirofumi
AU - Taniguchi, Masaki
AU - Eriksson, P. E.J.
AU - Uhrberg, R. I.G.
PY - 2009/3/2
Y1 - 2009/3/2
N2 - 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 K̄ 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.
AB - 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 K̄ 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.
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U2 - 10.1103/PhysRevLett.102.096805
DO - 10.1103/PhysRevLett.102.096805
M3 - Article
AN - SCOPUS:62849090288
SN - 0031-9007
VL - 102
JO - Physical Review Letters
JF - Physical Review Letters
IS - 9
M1 - 096805
ER -