Role of A-site (Sr), B-site (Y), and A, B sites (Sr, Y) substitution in lead-free BaTiO3 ceramic compounds: Structural, optical, microstructure, mechanical, and thermal conductivity properties

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dc.authoridMohamed A. Basyooni: 0000-0001-8473-8253en_US
dc.contributor.authorTihtih, Mohammed
dc.contributor.authorIbrahim, Jamal Eldin F. M.
dc.contributor.authorBasyooni, Mohamed A.
dc.contributor.authorKurovics, Emese
dc.contributor.authorBelaid, Walid
dc.contributor.authorHussainova, Irina
dc.contributor.authorKocserha, Istvan
dc.date.accessioned2023-06-07T10:46:54Z
dc.date.available2023-06-07T10:46:54Z
dc.date.issued2023en_US
dc.departmentNEÜ, Fen Fakültesi, Fizik Bölümüen_US
dc.descriptionMakaleen_US
dc.descriptionWOS:000935523200001en_US
dc.description.abstractStrontium and Yttrium-doped and co-doped BaTiO3 (BT) ceramics with the stoichiometric formulas BaTiO3, B1-xSrxTiO3, Ba1-xYxTiO3, BaTi1-xYxO3, Ba1-xYxTi1-xYxO3, and Ba1-xSrxTi1-xYxO3 (x = 0.075) noted as BT, BSrT, BYT, BTY, BYTY, and BSrTY have been synthesized through sol-gel method. X-ray diffraction (XRD) patterns of the prepared ceramics, calcined at a slightly low temperature (950 degrees C/3h), displayed that BT, BSrT, and BYT ceramics possess tetragonal structures and BTY, BYTY, and BSrTY have a cubic structure. The incorporation of the Ba and/or Ti sites by Sr2+ and Y3+ ions in the lattice of BaTiO3 ceramic and the behaviors of the crystalline characteristics in terms of the Y and Sr dopant were described in detail. The scanning electron microscopy (SEM) images demonstrated that the densification and grain size were strongly related to Sr and Y elements. UV-visible spectroscopy was used to study the optical behavior of the as-prepared ceramic samples and revealed that Sr and Y dopants reduce the optical band gap energy to 2.74 eV for the BSrTY compound. The outcomes also demonstrated that the levels of Urbach energy are indicative of the created disorder following the inclusion of Yttrium. The measurements of the thermal conductivity indicated the influence of the doping mechanism on the thermal conductivity results of the synthesized samples. Indeed, the thermal conductivity of BaTiO3 is decreased with Sr and Y dopants and found to be in the range of 085-2.23 W.m(-1). K-1 at room temperature and decreases slightly with increasing temperature from 2.02 to 0.73-W.m(-1). K-1. Moreover, the microstructure and grains distribution of the BT, BSrT, BYT, BTY, BYTY, and BSrTY samples impacted the compressive strength, hence; the compressive strength was minimized as the grain size decreased.en_US
dc.identifier.citationTihtih, M., Ibrahim, J. E.n F. M., Basyooni, M.d A., Kurovics, E., Belaid, W., Hussainova, I., Kocserha, I. (2023). Role of A-site (Sr), B-site (Y), and A, B sites (Sr, Y) substitution in lead-free BaTiO3 ceramic compounds: Structural, optical, microstructure, mechanical, and thermal conductivity properties. Ceramics International, 49, 2, 1947-1959.en_US
dc.identifier.doi10.1016/j.ceramint.2022.09.160en_US
dc.identifier.endpage1959en_US
dc.identifier.issn0272-8842en_US
dc.identifier.issn1873-3956en_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1947en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.ceramint.2022.09.160
dc.identifier.urihttps://hdl.handle.net/20.500.12452/9767
dc.identifier.volume49en_US
dc.identifier.wosWOS:000935523200001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofCeramics Internationalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/embargoedAccessen_US
dc.subjectSol-gelen_US
dc.subjectCo-doped BaTiO3en_US
dc.subjectOccupation Sitesen_US
dc.subjectBand Gapen_US
dc.subjectThermal Conductiviten_US
dc.titleRole of A-site (Sr), B-site (Y), and A, B sites (Sr, Y) substitution in lead-free BaTiO3 ceramic compounds: Structural, optical, microstructure, mechanical, and thermal conductivity propertiesen_US
dc.typeArticleen_US

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