A Study on the Dielectric Behaviour of Epoxy/Hafnium Oxide Nanopowder Composites-Reference-Cited by-同舟云学术

A Study on the Dielectric Behaviour of Epoxy/Hafnium Oxide Nanopowder Composites

Published:2011-09 Issue:5 Volume:20 Page:096369351102000
ISSN:2633-366X
Container-title:Advanced Composites Letters
language:en
Short-container-title:Advanced Composites Letters

Author:

Georga S.N.¹

Affiliation:

1. Department of Physics, University of Patras, GR-26504 Rion-Patras, Greece

Abstract

The dielectric response of 10 and 15phr epoxy/HfO2 nanocomposite systems has been studied in a wide frequency and temperature range. The experimental results show an enhancement of the dielectric permittivity with increasing filler concentration. The dielectric spectra reveal the presence of α-relaxation and a weak MWS effect. In the high frequency range the real part of the electrical conductivity obeys the Universal Dielectric Response (UDR), whereas at low frequencies and high temperatures DC conductivity is observed. VFT (Vogel-Fulcher-Tamann) parameters are calculated for all measured specimens.

Publisher

SAGE Publications

Link

http://journals.sagepub.com/doi/pdf/10.1177/096369351102000504

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