Electrical and Vibrational Studies of Na2K2Cu(MoO4)3

Author:

Dridi Wassim1,Zid Mohamed Faouzi1ORCID,Maczka Miroslaw2

Affiliation:

1. Laboratory of Materials, Crystal Chemistry and Applied Thermodynamics, Faculty of Sciences of Tunis, University of Tunis El Manar, El Manar II, 2092 Tunis, Tunisia

2. Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wrocław 2, Poland

Abstract

The complex impedance of Na2K2Cu(MoO4)3 material has been investigated in the temperature range of 653–753 K and in the frequency range of 40 Hz–5 MHz. Electrical behavior of the studied material is explained through an equivalent circuit model which takes into account the contributions of grains and grains boundaries. The number of vibrational modes was calculated using group theoretical approach. The infrared and Raman spectra have also been measured and vibrational assignment has been proposed.

Publisher

Hindawi Limited

Subject

General Engineering,General Materials Science

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