Evaluation of the relaxation intensity from dielectric loss data

Abstract

Empirical formulae for evaluating the dielectric relaxation intensity, or the magnitude of dielectric dispersion, from dielectric loss data, proposed by Kita and Koizumi, in a limited range of frequency around the relaxation frequency for the Davidson - Cole relaxation has been verified in the case of three i-alkyl halides.

The relaxation intensity Δε is expressed in terms of ε′_M′ the dielectric loss maximum and W the frequency separation for a half, two thirds or three quarters of ε′_M′ in the form

where the numerical constants C₁,C₂ and C₃ are given for the respective types of relaxation.