New Material: 2D Stanene

New Material: 2D Stanene

Author: Veronika Belusa

Dong Qian, Shanghai Jiao Tong University, China, Jin-feng Jia, Collaborative Innovation Center of Advanced Microstructures, Nanjing, China, and colleagues have fabricated 2D stanene. They condensed highly purified tin atoms by molecular beam epitaxy and used bismuth telluride as growth substrate to produce the atom thick layer.

According to theoretical predictions, 2D tin has a range of unusual electronic phenomena, such as 2D topological insulating behavior with a very large bandgap, the capability to support enhanced thermoelectric performance, topological superconductivity, and the near-room-temperature quantum anomalous Hell effect. To test these, the stanene has to be isolated from the growth substrate.


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