Phase transition, elastic and electronic properties of topological insulator Sb<sub><bold>2</bold></sub>Te<sub><bold>3</bold></sub> under pressure: First principle study

Phase transition, elastic and electronic properties of topological insulator Sb₂Te₃ under pressure: First principle study

Lu Qing¹, Zhang Huai-Yong¹, Cheng Yan^{1, 2, †,}, Chen Xiang-Rong^{1, ‡,}, Ji Guang-Fu³

Unit cells for (a) phase I at 0 GPa, (b) phase II at 13.2 GPa, and (c) phase III at 20.5 GPa. Phase I is the hexagonal representation.