Electronic properties of the SnSe–metal contacts: First-principles study*
Dai Xian-Qia),b), Wang Xiao-Longa), Li Weia), Wang Tian-Xinga)
       
Charge density difference for the (a) SnSe/Ag, (b) SnSe/Au, and (c) SnSe/Ta contacts, respectively. Yellow regions represent the charge accumulation, and blue regions represent the charge consumption.