supported by the National Natural Science Foundation of China (21376199, 51002128 and 51401176);the Scientific Research Foundation of Hunan Provincial Education Department (17A205 and 15B235)
A novel two-dimensional(2D) Te Se_2 structure with high stability is predicted based on the first-principles calculations. As a semiconductor, the results disclose that the monolayer Te Se_2 has a wide-band gap of 2...