000170988 001__ 170988
000170988 005__ 20260430151736.0
000170988 0247_ $$2doi$$a10.18280/acsm.500101
000170988 0248_ $$2sideral$$a149052
000170988 037__ $$aART-2026-149052
000170988 041__ $$aeng
000170988 100__ $$aKouzrit, Daoud
000170988 245__ $$aOxide effect on the dielectric behavior of a ternary titanate-based composite: exploration on broadband dielectric permittivity
000170988 260__ $$c2026
000170988 5060_ $$aAccess copy available to the general public$$fUnrestricted
000170988 5203_ $$aThis article examines the dispersion phenomenon and the influence of silicon dioxide (SiO2) on the complex permittivity of binary composites made of epoxy resin (RE) and barium titanate (BaTiO₃). Using Time-Domain Spectroscopy (TDS), the samples were characterized over a frequency range from DC to 30 GHz. The volume fractiondependent relative permittivity of these composites was modeled using the modified Lichtenecker mixing law (MLL). Numerical optimization was employed to refine the model parameters, offering predictive insights into dielectric permittivity and shape factor coefficients for ternary composites. Comparative analysis confirms the model's suitability for binary and ternary composites, with an efficiency estimated at an average error of less than 2%. A Lorentzian resonance model is proposed to characterize the frequency-dependent behavior of the complex permittivity. The frequency dispersion profile of this ternary composite permittivity, exhibiting both relaxation and resonance spectra, shows a clear evolution with increasing BaTiO₃ content. Our empirical model provides a robust description of the resonance-type complex permittivity for BaTiO₃ and silica composites. The inclusion of SiO2 in the binary composite produced remarkable effects on the composite permittivity and loss tangent (tan δ) values, as these dropped drastically by 60%. These materials are promising for the miniaturization of electronic components in microelectronics and telecommunications applications.
000170988 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttps://creativecommons.org/licenses/by/4.0/deed.es
000170988 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000170988 700__ $$aKhouni, Habib
000170988 700__ $$aBourouba, Nacerdine
000170988 700__ $$aBouzit, Nacerdine
000170988 700__ $$aBrahimi, Abdelhalim
000170988 700__ $$0(orcid)0000-0001-9221-9306$$aMartinez J., Juan Pablo$$uUniversidad de Zaragoza
000170988 7102_ $$12002$$2247$$aUniversidad de Zaragoza$$bDpto. Física Aplicada$$cÁrea Electromagnetismo
000170988 773__ $$g50, 1 (2026), 1-11$$pAnn. chim.$$tANNALES DE CHIMIE-SCIENCE DES MATERIAUX$$x0151-9107
000170988 8564_ $$s1438057$$uhttps://zaguan.unizar.es/record/170988/files/texto_completo.pdf$$yVersión publicada
000170988 8564_ $$s3000632$$uhttps://zaguan.unizar.es/record/170988/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000170988 909CO $$ooai:zaguan.unizar.es:170988$$particulos$$pdriver
000170988 951__ $$a2026-04-30-13:58:31
000170988 980__ $$aARTICLE