Electronic and optical properties of lithium niobate under high pressure: A first-principles study*
Sang Dan-Dana), Wang Qing-Lin†b), Han Chong‡a), Chen Kai, Pan Yue-Wu
       
Calculated partial DOS at 4 GPa (a) and 16 GPa (b) for R 3 c phase, and at 30 GPa (c) and 40 GPa (d) for Pnma phase, respectively.