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Proceedings Paper

Dielectric properties of different composite structures
Author(s): Enis Tuncer; Stanislaw M. Gubanski
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Paper Abstract

Finite element calculations of frequency dependent dielectric permittivity of different binary system composed of conductive cylindrical inclusions in a less conductive matrix are presented. The inclusions were distributed regularly in three different geometrical structures. The smallest repeatable units of the structures were used in the computations. The relative permittivities of the inclusions and matrix were taken to be the same and equal to 4, whereas their conductivities were 1 X 10-7 and 1 X 10-20 ((Omega) X m)-1, respectively. The systems showed classical Debye behavior. An increase in the dielectric constant at the low frequency side as observed with did not show any differences when q <EQ 0.30. However, the relative permittivities were not the same for different lattices at higher q values. This effect was due to the interaction of the inclusions with each other.

Paper Details

Date Published: 14 December 1999
PDF: 7 pages
Proc. SPIE 4017, Polymers and Liquid Crystals, (14 December 1999); doi: 10.1117/12.373698
Show Author Affiliations
Enis Tuncer, Chalmers Univ. of Technology (Sweden)
Stanislaw M. Gubanski, Chalmers Univ. of Technology (Sweden)

Published in SPIE Proceedings Vol. 4017:
Polymers and Liquid Crystals
Andrzej Wlochowicz, Editor(s)

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