Slivka, A.G.; Gerzanich, E.I.; Guranich, P.P.; Shusta, V.S.; Kedyulich, V.M.
(Condensed Matter Physics, 1999)
We have made dilatometric studies of phase transitions in Sn₂P₂S₆ ferroelectric under high hydrostatic pressures. We investigated the pressure
dependence of the coefficients in an expansion of the thermodynamic potential ...