$\beta$-As${}_2$Te${}_3$: Pressure-Induced 3D Dirac Semi-Metal

E. Lora da Silva, A. Leonardo, Tao Yang +5

We report a theoretical \textit{ab-initio} study of $\beta$-As${}_2$Te${}_3$ ($R\bar{3}m$ symmetry) at hydrostatic pressures up to 12 GPa. We have systematically characterized the vibratio…