The discovery of novel materials with very low thermal conductivity is paramount to improving the efficiency of thermoelectric devices. Here we present a series of quaternary semiconducting tellurides AXXTe (A = Rb, Cs; X = Mn, Zn, Cd; X = Ga, In) with three-dimensional (3D) diamond-like frameworks (DLFs) and they exhibit a very low thermal conductivity (ca. 0.26-0.42 W m K) around 800 K.
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| http://dx.doi.org/10.1039/c6dt03630a | DOI Listing |
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