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Theory

Phenomenological theory of phase transitions in DMAAS crystal

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Pages 185-189 | Received 22 Jun 1992, Published online: 10 Feb 2011
 

Abstract

A theoretical-group analysis of hypothetic high-symmetry phase of DMAAS crystals is made. Phenom-enological model which describes anomalies of spontaneous polarization and dielectric constant upon the ferroelectric phase transition at 152 K as well as anomalies at 110 K have been built.

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