Bias Effect on the Antiferroelectric Transition

概要

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For the antiferroelectric transition, three phases, antipolar, nonpolar and polarwere considered under bias field with comparisons to the phetxomenological theorypreviously developed. Bias effect on the antipolar to nonpolar transition is zero to thefirst order approximation, and the shift of the transition to the lower temperature usquadratic to applied field. Under strong field, succesive transitions, antipolar-polar-nonpolar, appear, where the antipolar-polar transition is shifted to the lower temperaLure by increasing bias. The shift of the polar-nonpolar tran?sition to the highertemperature by bias is much smaller than that of the former transition. These resultswere confirmed in ADP and CFT experimentally. A rrtere shift to the lower temperatureby bias field could not be taken as an indication of the antipolar-nonpolar (anti-ferroelectric) transition, which has been believed so far. The field dependence of theshift must be checked.
社団法人日本物理学会の論文
1977-08-15