Magnetotransport measurements on Sm0.1Sb1.9Te3 crystals show SdH oscillations with mixed bulk-surface origin and nontrivial Berry phase; DFT indicates doping alters crystal and electronic structure relative to pure Sb2Te3.
Science 2010, 329 (5987), 61-64
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Modulation of crystal and electronic structures in topological insulators by rare-earth doping
Magnetotransport measurements on Sm0.1Sb1.9Te3 crystals show SdH oscillations with mixed bulk-surface origin and nontrivial Berry phase; DFT indicates doping alters crystal and electronic structure relative to pure Sb2Te3.