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Showing 1 to 2 of 2 for “"Orientational glass"”.
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Local structure of hybrid metal-halide perovskites
… are consis- tent with the formation of an orientational glass on the MA+ sublattice. Temperature and composition dependent photoluminescence measurements showed that photo-induced halide segregation occurred only in the orientational glass forming compositions. The local structure of the …
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Study of tunneling impurities in alkali halides at low temperatures
… magnitude and in temperature dependence as the orientational glass phase develops. At 50% concentration, the thermal expansion (with r ~ +1) is similar to that of many amorphous solids.