|NUKLEONIKA 2013, 58(3):365-370
A REVIEW OF PHASE TRANSITIONS IN RbIn-MOLYBDATE
Maria B. Zapart, Włodzimierz Zapart
Faculty of Materials Processing Technology and Applied Physics, Institute of Physics,
Technical University of Częstochowa,
19 Armii Krajowej Ave., 42-200 Częstochowa, Poland
The paper gives a brief review of the results of EPR temperature studies of RbIn(MoO4)2 crystal. A sequence of several structural phase transitions has been found in this crystal in the temperature region 84–163 K. The transition at T1 = 163 K leads to an incommensurate triply modulated state, whereas ferroelastic phases start below T2 = 143 K. All the low temperature phases in the temperature region 84–143 K are examples of simultaneously ferroelastic and incommensurate ones. The transition observed at T5 = 84 K seems to suppress the ferroelastic properties of the crystal.