New family of room temperature quantum spin Hall insulators in two-dimensional germanene films

Author:

Zhang Run-wu1234,Ji Wei-xiao1234,Zhang Chang-wen1234,Li Sheng-shi12345,Li Ping1234,Wang Pei-ji1234

Affiliation:

1. School of Physics and Technology

2. University of Jinan

3. Jinan

4. People's Republic of China

5. School of Physics

Abstract

Based on first-principles calculations, we predict that 2D germanene decorated with ethynyl-derivatives (GeC2X; X = H, F, Cl, Br, I) can be topological insulators with large band-gaps for room-temperature applications.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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