On the ratio of Curie--Weiss constants in ferroelectrics undergoing second order phase transitions (original) (raw)

Phase Transitions, 2007

Abstract

Scaling hypothesis is used to construct the equations of state that provide the experimentally observed variety of the Curie--Weiss constants ratios (i.e., the ratios of the slopes between the temperature dependencies of inverse of susceptibility below and above the critical point) in uniaxial ferroelectrics. The results are exemplified by the TGS crystal and by the methylammonium salts MAPCB and MAPBB.

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