Effect of deuteration on the dynamical dielectric properties of DSP

Eiji Nakamura Department of Materials Science, Faculty of Science, Hiroshima University, Hiroshima, 730, Japan

Kiyoshi Deguchi Department of Materials Science, Faculty of Science, Hiroshima University, Hiroshima, 730, Japan

Takashi Nishihara Department of Materials Science, Faculty of Science, Hiroshima University, Hiroshima, 730, Japan

Toshirou Yagi Institute of Applied Electricity, Hokkaido University, Sapporo, 060, Japan

Abstract

Complex dielectric constants of Ca₂Sr(C₂H₅CO₂)₆ (DSP) and Ca₂Sr(C₂D₅CO₂)₆ (DDSP) were investigated around the Curie temperature T _c, and the II - III phase transition temperature T _t in the frequency range from 10 Hz to 1 GHz. No appreciable effect of deuteration was detected in the dielectric dispersion around T _c and T _t, in contrast with the case of the spontaneous polarization.

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Effect of deuteration on the dynamical dielectric properties of DSP

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