Citation: Sui, Fan; He, Hua; Bobev, Svilen; Zhao, Jing; Osterloh, Frank E.; Kauzlarich, Susan M. (2015). Synthesis, Structure, Thermoelectric Properties, and Band Gaps of Alkali Metal Containing Type I Clathrates: A8Ga8Si38(A = K, Rb, Cs) and K8Al8Si38. Chemistry of Materials, 27, pp. 2812-.