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Direct Measurement of Surface Transport on a Bulk Topological Insulator
Lucas Barreto, Lisa Kühnemund, Frederik Edler +7
Topological insulators are guaranteed to support metallic surface states on an insulating bulk, and one should thus expect that the electronic transport in these materials is domin…
Surface structure of Bi2Se3(111) determined by low-energy electron diffraction and surface X-ray diffraction
Diogo Duarte dos Reis, Lucas Barreto, Marco Bianchi +11
The surface structure of the prototypical topological insulator Bi2Se3 is determined by low-energy electron diffraction and surface X-ray diffraction at room temperature. Both appr…
Excitation of coherent phonons in the one-dimensional Bi(114) surface
D. Leuenberger, H. Yanagisawa, S. Roth +5
We present time-resolved photoemission experiments from a peculiar bismuth surface, Bi(114). The strong one-dimensional character of this surface is reflected in the Fermi surface,…