Low-temperature sintering of Li2CO3/CuO co-added Ce-doped lead-free BNKBT ceramics and their multilayer capacitor applications

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dc.contributor.authorGözüaçık, Namık Kemal
dc.contributor.authorBerksoy Yavuz, Ayşe
dc.date.accessioned2025-11-27T07:34:43Z
dc.date.available2025-11-27T07:34:43Z
dc.date.issued2025
dc.departmentFakülteler, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü
dc.description.abstractIn this study, 0.75 wt% Li2CO3/CuO sintering aids co-added, 1.0 mol% Ce-doped lead-free piezoelectric 0.854(Bi0.5Na0.5TiO3)–0.12(Bi0.5K0.5TiO3)–0.026(BaTiO3) (BNKBT) ceramics were prepared by the solid-state reaction method, and the optimum sintering temperature decreased from 1150 to 950℃ with liquid phase sintering. The structural and electrical properties of Li2CO3/CuO co-added 1.0 mol% Ce-doped BNKBT ceramics, sintered at a low temperature of 950℃, were investigated in detail. The Curie temperature has been shifted to lower temperatures with decreasing sintering temperature. When sintered at 950℃ for 2 h, the releasable energy density of 1.0 mol% Ce-doped BNKBT ceramic was calculated as 0.287 J/cm3 at 60 kV/cm, which is comparable to the value obtained at a sintering temperature of 1050℃. Promising results were achieved at low sintering temperatures for Li2CO3/CuO co-added 1.0 mol% Ce-doped ceramics, indicating a potential for multilayer ceramic capacitor (MLCC) applications. The capacitance and dielectric loss tangent values of BNKBT-MLCC, measured at room temperature and 1 kHz, are 16.7 nF and 0.068, respectively.
dc.identifier.doi10.1007/s10854-025-16123-w
dc.identifier.issn0957-4522
dc.identifier.issue32
dc.identifier.scopus2-s2.0-105021834284
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1007/s10854-025-16123-w
dc.identifier.urihttps://hdl.handle.net/11501/2508
dc.identifier.volume36
dc.identifier.wosWOS:001627763100005
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorBerksoy Yavuz, Ayşe
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJournal of Materials Science: Materials in Electronics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/123M632, M632
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBismuth Compounds
dc.subjectCeramic Materials
dc.subjectCerium Compounds
dc.subjectCopper
dc.subjectCopper Compounds
dc.subjectLiquid Phase Sintering
dc.subjectLithium Compounds
dc.subjectMultilayers
dc.subjectTemperature
dc.titleLow-temperature sintering of Li2CO3/CuO co-added Ce-doped lead-free BNKBT ceramics and their multilayer capacitor applications
dc.typeArticle

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