Spectroscopic signature of surface states and bunching of bulk subbands in topological insulator ( Bi0.4Sb0.6)2Te3 thin films
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.035122
Abstract: High quality thin films of the topological insulator (Bi0.4Sb0.6)2Te3 have been deposited on SrTiO3 (111) by molecular beam epitaxy. Their electronic structure was investigated by in situ angleresolved photoemission spectroscopy and in situ scanning tunneling… read more here.
Keywords: topological insulator; 4sb0 2te3; insulator bi0; surface states ... See more keywords
Revisiting the van der Waals Epitaxy in the Case of (Bi0.4Sb0.6)2Te3 Thin Films on Dissimilar Substrates
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12111790
Abstract: Ultrathin films of the ternary topological insulator (Bi0.4Sb0.6)2Te3 are fabricated by molecular beam epitaxy. Although it is generally assumed that the ternary topological insulator tellurides grow by van der Waals epitaxy, our results show that… read more here.
Keywords: bi0 4sb0; waals epitaxy; van der; der waals ... See more keywords
Enhancement of the Surface Morphology of (Bi0.4Sb0.6)2Te3 Thin Films by In Situ Thermal Annealing
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DOI: 10.3390/nano13040763
Abstract: The study of the exotic properties of the surface states of topological insulators requires defect-free and smooth surfaces. This work aims to study the enhancement of the surface morphology of optimally doped, high-crystalline (Bi0.4Sb0.6)2Te3 films… read more here.
Keywords: bi0 4sb0; enhancement surface; 4sb0 2te3; microscopy ... See more keywords