[(CH3)3PCH2OH][CdBr3] is a perovskite-type ferroelastic compound above room temperature†
Abstract
A new organic–inorganic perovskite-type compound [(CH3)3PCH2OH][CdBr3] exhibits a ferroelastic phase transition at 339 K. Domain structures were observed and analyzed. The origin of the phase transition can be attributed to the motion or reorientation of the [(CH3)3PCH2OH]+ cations and the displacement of Cd2+ and Br− ions in solid-state crystals.