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000012554 084__ $$2WoS$$aPhysics, Multidisciplinary
000012554 1001_ $$0P:(DE-HGF)0$$aHsieh, D.$$b0
000012554 245__ $$aDirect observation of spin-polarized surface states in the parent compound of a topological insulator using spin- and angle-resolved photoemission spectroscopy in a Mott-polarimetry mode
000012554 260__ $$a[Bad Honnef]$$bDt. Physikalische Ges.$$c2010
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000012554 440_0 $$08201$$aNew Journal of Physics$$v12$$x1367-2630$$y12
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000012554 520__ $$aWe report high-resolution spin-resolved photoemission spectroscopy (spin-ARPES) measurements on the parent compound Sb of the recently discovered three-dimensional topological insulator Bi1-xSbx (Hsieh et al 2008 Nature 452 970, Hsieh et al 2009 Science 323 919). By modulating the incident photon energy, we are able to map both the bulk and the (111) surface band structure, from which we directly demonstrate that the surface bands are spin polarized by the spin-orbit interaction and connect the bulk valence and conduction bands in a topologically non-trivial way. A unique asymmetric Dirac surface state gives rise to a k-splitting of its spin-polarized electronic channels. These results complement our previously published works on this class of materials and re-confirm our discovery of topological insulator states in the Bi1-xSbx series.
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000012554 7001_ $$0P:(DE-HGF)0$$aWray, L.$$b1
000012554 7001_ $$0P:(DE-HGF)0$$aQian, D.$$b2
000012554 7001_ $$0P:(DE-HGF)0$$aXia, Y.$$b3
000012554 7001_ $$0P:(DE-Juel1)VDB84253$$aDil, J. H.$$b4$$uFZJ
000012554 7001_ $$0P:(DE-HGF)0$$aMeier, F.$$b5
000012554 7001_ $$0P:(DE-HGF)0$$aOsterwalder, J.$$b6
000012554 7001_ $$0P:(DE-Juel1)130545$$aBihlmayer, G.$$b7$$uFZJ
000012554 7001_ $$0P:(DE-HGF)0$$aHor, Y. S.$$b8
000012554 7001_ $$0P:(DE-HGF)0$$aCava, R. J.$$b9
000012554 7001_ $$0P:(DE-HGF)0$$aHasan, M. Z.$$b10
000012554 773__ $$0PERI:(DE-600)1464444-7$$a10.1088/1367-2630/12/12/125001$$gVol. 12, p. 125001$$p125001$$q12<125001$$tNew journal of physics$$v12$$x1367-2630$$y2010
000012554 8567_ $$uhttp://dx.doi.org/10.1088/1367-2630/12/12/125001
000012554 8564_ $$uhttps://juser.fz-juelich.de/record/12554/files/Hsieh_2010_New_J._Phys._12_125001.pdf$$yOpenAccess
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