Supported by the 973 program(No.2010CB933501);NNSFC(Nos.20973175,21233009,and 21103190)
The site occupancies and thermoelectric properties of tin-based clathrates Cs8M4Sn44□2 (M = Zn, Cd, Hg) and CssSn44□2 were studied by the first principle calculations. We had provided an efficient way to probe the...