We reveal the specific structural and bonding features that result in anisotropic thermal transport for CsPbBr3 by directional single-crystal measurements and elucidate the bases for the low Debye temperature and speed of sound. This work enhances the research on perovskites and reveals the structural features governing the thermal properties.
W. D. C. B. Gunatilleke, O. P. Ojo and G. S. Nolas, Chem. Commun., 2024, 60, 14200 DOI: 10.1039/D4CC05037A
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