Fig. 1. (Color online) Equilibrium structure of Si₂Bi₂ shown in side (a) and top (b) views. Si and Bi atoms are represented with blue and purple spheres. (c) Layer dependence of the band gap of Si₂Bi₂

New Phys.: Sae Mulli 2021;71:218~224 https://doi.org/10.3938/NPSM.71.218

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