Chinese Physics B, Volume. 29, Issue 9, (2020)
Evidence for topological superconductivity: Topological edge states in Bi2Te3/FeTe heterostructure
Fig. 1. MBE growth of the Bi2Te3 and FeTe films. (a) The schematic crystal structure of Bi2Te3 and FeTe. (b) The RHEED pattern of the STO surface which shows that the substrate has a well-defined 2 × 1 surface reconstruction. (c) The RHEED pattern of the FeTe surface. (d) The RHEED pattern of the Bi2Te3 surface. The double-line structure shows two kinds of domains in the Bi2Te3 film. (e) Schematic of two types of Bi2Te3 crystal domains on FeTe.
Fig. 2. (a), (b) Photoemission intensity of the cut along the
Fig. 3. (a) An STM image of different sizes of 1 QL Bi2Te3 islands on the FeTe terrace. (150 × 150 nm2,
Fig. 4. (a) A zoom in STM image showing the edge of a 1 QL Bi2Te3 island (32 × 32 nm2,
Fig. 5. (a) Zoom in atomic resolution STM images showing the top edge of the Bi2Te3 island in Fig.
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Bin Guo, Kai-Ge Shi, Hai-Lang Qin, Liang Zhou, Wei-Qiang Chen, Fei Ye, Jia-Wei Mei, Hong-Tao He, Tian-Luo Pan, Gan Wang. Evidence for topological superconductivity: Topological edge states in Bi2Te3/FeTe heterostructure[J]. Chinese Physics B, 2020, 29(9):
Received: Apr. 13, 2020
Accepted: --
Published Online: Apr. 29, 2021
The Author Email: Pan Tian-Luo (pantl@sustech.edu.cn)