Twofold rattling mode-induced ultralow thermal conductivity in vacancy-ordered double perovskite Cs2SnI6.
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DOI: 10.1039/d2cc00258b
Abstract: We report a first-principles study of lattice vibrations and thermal transport in Cs2SnI6, the vacancy-ordered double perovskite. Twofold rattlers of Cs atoms and SnI6 clusters in Cs2SnI6, being different from CsSnI3 with only Cs atom… read more here.
Keywords: twofold rattling; vacancy ordered; ordered double; ultralow thermal ... See more keywords