Yp. Panarin et al., OBSERVATION AND INVESTIGATION OF THE FERRIELECTRIC SUBPHASE WITH Q(T)GREATER-THAN-1 2/, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 302, 1997, pp. 93-98
The high-temperature ferrielectric phase with q(T) > 1/2 has been foun
d to exist in a antiferroelectric liquid crystal. This phase has been
identified using dielectric spectroscopy and conoscopy.