A formula for dielectric mixtures

Dielectric properties of material mixtures are of importance in diagnostics, characterization and design of systems in various engineering fields. In this letter, we propose a new dielectric-mixture expression, which is based on the dielectric relaxation phenomena and the spectral density representa...

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Bibliographic Details
Published in:Philosophical magazine letters 2005-06, Vol.85 (6), p.269-275
Main Author: Tuncer, E.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
DESIGN
DIELECTRIC MATERIALS
Dielectric mixtures
DIELECTRIC PROPERTIES
Dielectric properties of solids and liquids
Dielectrics, piezoelectrics, and ferroelectrics and their properties
electrical properties of composites
Exact sciences and technology
MATERIALS SCIENCE
MIXTURES
Physics
RELAXATION
SPECTRAL DENSITY
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Summary:Dielectric properties of material mixtures are of importance in diagnostics, characterization and design of systems in various engineering fields. In this letter, we propose a new dielectric-mixture expression, which is based on the dielectric relaxation phenomena and the spectral density representation. The expression is tested on several composite systems. Results illustrate that the proposed expression can be used to obtain valuable structural informations in composites, even for highly filled, bi-percolating, systems. The proposed expression is an alternative to other existing homogenization formulas in the literature.
ISSN:0950-0839
1362-3036
DOI:10.1080/09500830500229394