Phase diagram of ferroelectrics with tricritical and Lifshitz points at coupling between polar and antipolar fluctuations

V. Liubachko, A. Oleaga, A. Salazar +3

Static and dynamic critical behavior of Sn${}_2$P${}_2$S${}_6$ type ferroelectrics and (Pb${}_y$Sn${}_{1-y}$)${}_2$P${}_2$(Se${}_x$S${}_{1-x}$)${}_6$ mixed crystals with line of tricritical points and…