On the acoustic properties of CsD<sub>2</sub>PO<sub>4</sub> and RbD<sub>2</sub>PO<sub>4</sub> crystals near phase transitions under hydrostatic pressure
A V Kityk; Ya I Shchur; L P Lutsiv-Shumskii; O G Vlokh; A V Kityk; Lviv State I Franko Univ., Ukraine; Ya I Shchur; Lviv State I Franko Univ., Ukraine; L P Lutsiv-Shumskii; Lviv State I Franko Univ., Ukraine; O G Vlokh; Lviv State I Franko Univ., Ukraine
Журнал:
Journal of Physics: Condensed Matter
Дата:
1994-01-17
Аннотация:
The influence of hydrostatic pressure on the temperature behaviour of acoustic properties in the vicinity of phase transitions of CsD<sub>2</sub>PO<sub>4</sub> and RbD<sub>2</sub>PO<sub>4</sub> crystals is studied. The pressure-temperature phase diagrams are obtained. The results are considered within the framework of phenomenological theory.
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