Growth and low temperature STM study of Stanene
ORAL
Abstract
Stanene and its derivatives can be 2D topological insulators (TI) with a very large band gap as proposed by first-principles calculations, or can support enhanced thermoelectric performance, topological superconductivity and the near-room-temperature quantum anomalous Hall (QAH) effect. Here, we report a successful fabrication of 2D stanene by MBE. The atomic and electronic structures determined by STM and ARPES agree well with the predictions by first-principles calculations. Bulk band gap and edge states are also observed. On stanene thicker than 2 layers, superconductivity is also observed, which suggests stanene is a good candidate for topological superconductor.
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Presenters
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Jinfeng Jia
shanghai jiao tong university, Shanghai Jiao Tong University, Department of Physics and Astronomy, Shanghai Jiao Tong University
Authors
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Jinfeng Jia
shanghai jiao tong university, Shanghai Jiao Tong University, Department of Physics and Astronomy, Shanghai Jiao Tong University