Dielectric permittivity calculation of composites based on electrospun barium titanate fibers

On the basis of theoretical predictions and experimental results, an empirical method using upper bound equation of the rule of mixtures (ROM) is reported to predict the dielectric permittivity of barium titanate nanofibers. In addition, composites with low volume fraction of BaTiO3 fiber layers emb...

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Bibliographic Details
Published in:Materials research express 2015-04, Vol.2 (4), p.45302
Main Authors: Ávila, H A, Reboredo, M M, Parra, R, Castro, M S
Format: Article
Language:English
Subjects:
analytical modeling
Barium titanates
ceramic fibers
composite
Dielectric constant
dielectric properties
Dielectrics
Electrodes
epoxy matrix
Fibers
Mathematical analysis
Mathematical models
Permittivity
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Summary:On the basis of theoretical predictions and experimental results, an empirical method using upper bound equation of the rule of mixtures (ROM) is reported to predict the dielectric permittivity of barium titanate nanofibers. In addition, composites with low volume fraction of BaTiO3 fiber layers embedded in epoxy resin were prepared and characterized. The relative permittivities of composites with perpendicular and parallel configurations, with respect to the electrodes, were calculated by means of the ROM model. The predicted permittivities matched precisely the obtained experimental values.
ISSN:2053-1591
2053-1591
DOI:10.1088/2053-1591/2/4/045302