Unoccupied topological states on bismuth chalcogenides

The unoccupied part of the band structure of topological insulators Bi sub(2) Te sub(x) Se sub(3-x) (x = 0, 2, 3) is studied by angle-resolved two-photon photoemission and density functional theory. For all surfaces linearly dispersing surface states are found at the center of the surface Brillouin...

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Veröffentlicht in:	Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-11, Vol.86 (20), Article 205403
Hauptverfasser:	Niesner, D., Fauster, Th, Eremeev, S. V., Menshchikova, T. V., Koroteev, Yu. M., Protogenov, A. P., Chulkov, E. V., Tereshchenko, O. E., Kokh, K. A., Alekperov, O., Nadjafov, A., Mamedov, N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter Dispersing Electronics Energy gap Inversions Surface layer Texture Topology
Online-Zugang:	Volltext
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