Quantitative relation between structure and thermal conductivity in type-I clathrates X8Ga16Ge30 (X = Sr, Ba) based on electrostatic-potential analysis

A. Fujiwara, K. Sugimoto, C.-H. Shih, H. Tanaka, J. Tang, Y. Tanabe, J. T. Xu, S. Heguri, K. Tanigaki, and M. Takata,

Physical Review B

85

144305