Eur. Phys. J. AP
Volume 18, Number 1, April 2002
|Page(s)||17 - 24|
|Section||Surfaces, Interfaces and Films|
|Published online||15 April 2002|
Dielectric behavior study of some composites polyester/MTiO3 by time domain spectroscopy
Physique des Interactions Ondes-Matière (UMR 5501) ,
ENSCPB, Université de Bordeaux I, avenue Pey Berland, BP 108, 33402 Talence Cedex,
2 Département d'électronique, Faculté des Sciences de l'ingénieur, Université Ferhat Abbas, 19000 Sétif, Algeria
Corresponding author: email@example.com
Revised: 23 October 2001
Accepted: 4 December 2001
Published online: 15 April 2002
The objective of this paper is to explore the possibility to use composites polyester/titanates (M2+Ti4+O with M = Ba2+, Sr2+, Ca2+, Mg2+) to get a miniature high- frequency components, and the proposal of signal processing allowing to minimize the different errors particular to the temporal spectroscopy in matched line for two spaces (time, frequency), and the establishment of an expression that determines directly the permittivity without having to make the inverse resolution transcendent equations related to the propagation. Analysis of results obtained by this signal processing, confirms the validity of Bottreau's modeling law, in low frequency according to the volume fraction and the spectral viewpoint, which allows to anticipate the composition of materials to be used to reply to electromagnetic predefined characteristics.
PACS: 77.84.Dy – Niobates, titanates, tantalates, PZT ceramics, etc. / 77.84.Lf – Composite materials / 78.20.Bh – Theory, models, and numerical simulation
© EDP Sciences, 2002
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