Optical spectroscopy study on pressure-induced phase transitions in the three-dimensional Dirac semimetal Cd${}_3$As${}_2$

E. Uykur, R. Sankar, D. Schmitz +1

We report a room-temperature optical reflectivity study performed on [112]-oriented Cd${}_3$As${}_2$ single crystals over a broad energy range under external pressure up to 10 GPa. The…