Speaker
Anna Vogel
Description
Cu20Te11Cl2 is a new polymorphic Cu-ion conducting material with order-disorder phase transitions occurring at 288 and 450 K. The α-β-phase transition occurs via symmetry reduction from the hexagonal to the orthorhombic crystal system that is attended by twinning and additional quintuplication of the a- and duplication of the c-axis. The compound features dynamic disorder in the cation and statistical disorder in the anion substructure.
Primary author
Anna Vogel
Co-author
Prof.
Tom Nilges
