First-principles calculations were performed to investigate the stabilities, and electronic and piezoelectric properties of Janus SnXY monolayers (X = O, S, Se, Te; Y = O, S, Se, Te; X… Click to show full abstract
First-principles calculations were performed to investigate the stabilities, and electronic and piezoelectric properties of Janus SnXY monolayers (X = O, S, Se, Te; Y = O, S, Se, Te; X ≠ Y).
               
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