Lattice distortion leads to glassy thermal transport in crystalline Cs${}_3$Bi${}_2$I${}_6$Cl${}_3$

Zezhu Zeng, Zheyong Fan, Michele Simoncelli +5

The glassy thermal conductivities observed in crystalline inorganic perovskites such as Cs${}_3$Bi${}_2$I${}_6$Cl${}_3$ is perplexing and lacking theoretical explanations. Here, we first e…