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A review of phase transitions in RbIn-molybdate

Zapart M. B., Zapart W.

Nukleonika

2013

Vol. 58, No. 3

365--370

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.

Some aspects of using A₂MX₂ crystals with incommensurate phases in digital recording

Suchańska M., Kałuża S., Leśniewski S.

Opto-Electronics Review

2001

Vol. 9, No. 3

353-355

Some aspects of using the A₂MX₂ crystals in digital recording are discussed. Special attention is paid to the temperature dependence of birefringence and absorption coefficient.