Electronic and phonon excitations in α-RuCl${}_3$

S. Reschke, F. Mayr, Zhe Wang +3

We report on THz, infrared reflectivity and transmission experiments for wave numbers from 10 to 8000 cm${}^{-1}$ ($\sim$ 1 meV - 1 eV) and for temperatures from 5 to 295 K on the Ki…