We have directly characterized the spin-polarized energy-band structures of Sb(111) near the Fermi level by spin- and angle-resolved photoemission spectroscopy. The results clearly indicate that the energy bands are spin-split due to the spin-orbit coupling and the broken space inversion symmetry.
REFERENCES
1.
S.
Datta
and B.
Das
, Appl. Phys. Lett.
56
, 665
(1990
).2.
M.
König
, S.
Wiedmann
, C.
Brüne
, A.
Roth
, H.
Buhmann
, L. W.
Molenkamp
, X.-L.
Qi
, and S.-C.
Zhang
, Science
318
, 766
(2007
).3.
B. A.
Bernevig
, T. L.
Hughes
, and S.-C.
Zhang
, Science
314
, 1757
(2006
).4.
C. L.
Kane
and E. J.
Mele
, Phys. Rev. Lett.
95
, 226801
(2005
).5.
K.
Sugawara
, T.
Sato
, S.
Souma
, T.
Takahashi
, M.
Arai
, and T.
Sasaki
, Phys. Rev. Lett.
96
, 046411
(2006
).6.
S.
Murakami
, Phys. Rev. Lett.
97
, 236805
(2006
).7.
Yu. M.
Koroteev
, G.
Bihilmayer
, J. E.
Gayone
, E. V.
Chulkov
, S.
Blügel
, P. M.
Echenique
, and Ph.
Hofmann
, Phys. Rev. Lett.
93
, 046403
(2004
).8.
S.
LaShell
, B. A.
McDougall
, and E.
Jensen
, Phys. Rev. Lett.
77
, 3419
(1996
).9.
C. R.
Ast
and H.
Hoechst
, Phys. Rev. Lett.
87
, 177602
(2001
).10.
K.
Iori
, K.
Miyamoto
, H.
Narita
, K.
Sakamoto
, A.
Kimura
, S.
Qiao
, K.
Shimada
, H.
Namatame
, and M.
Taniguchi
, Rev. Sci. Instrum.
77
, 013101
(2006
).© 2008 American Institute of Physics.
2008
American Institute of Physics
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