Electronic, optical properties, surface energies and work functions of Ag8SnS6: First-principles method*
Lu Chun-Lina), Zhang Lina),b),, Zhang Yun-Wanga), Liu Shen-Yea), Mei Yangc)
Fig. 9. Surface models of a 112, b , c , and d orientation of Ag 8 SnS 6 .