Dielectric properties and phase transitions in (CH3NH3)3Sb2Br9

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, , Citation R Jakubas et al 1985 J. Phys. C: Solid State Phys. 18 L857 DOI 10.1088/0022-3719/18/27/003

0022-3719/18/27/L857

Abstract

X-ray diffraction, dielectric and differential scanning calorimetry studies have been performed on (CH3NH3)3Sb2Br9 crystals. The first-order structural phase transitions at 168 and 131K have been revealed to be related most probably to a freezing of the reorientational motion of CH3NH3+ cations.

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10.1088/0022-3719/18/27/003