Ferroelectric dispersion of some hydrogen-bonded crystals
- 1 January 1974
- journal article
- research article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 8 (1) , 569-571
- https://doi.org/10.1080/00150197408234164
Abstract
The ferroelectric dispersion of the dielectric constant of TGS, TGSe and Colemanite, investigated up to 10 GHz and from 18 to 40 GHz, are of the monodispersive Debye-type. The characteristic relaxation frequencies, defined by fo = fe(εs - ε ∞), show a pronounced temperature dependence only in the ferroelectric phase. The experimental curves are compared with a recent phenomenological theory for the dispersion of “electrostrictive” ferroelectrics with a second order transition; qualitative, and in the case of Colemanite nearly quantitative, agreement is found.Keywords
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