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Quantification of relaxor behavior in (1 − x)Na0.5Bi0.5TiO3 – xCaTiO3 lead-free ceramics system

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dc.contributor.author Roukos, Roy
dc.contributor.author Romanos, Jimmy
dc.contributor.author Abou Dargham, Sara
dc.contributor.author Chaumont, Denis
dc.date.accessioned 2019-10-10T06:31:26Z
dc.date.available 2019-10-10T06:31:26Z
dc.date.copyright 2019 en_US
dc.identifier.issn 1873-619X en_US
dc.identifier.uri http://hdl.handle.net/10725/11401
dc.description.abstract This work examines the relaxor behavior of lead-free ceramic (1 − x)Na0.5Bi0.5TiO3–xCaTiO3 systems. A stable rhombohedral (R3c) phase is detected at room temperature for all compositions by XRD and Raman spectroscopy. Relaxor behavior was observed in the temperature range 300 K - 400 K for all materials. Ceramics exhibit normal ferroelectric properties at room temperature, and then they develop relaxor characteristics with increasing temperature showing the same dispersive properties. This work quantifies the relaxor phenomenon at low temperature. For instance, the maximum temperature of relaxor and the order of dispersion were determined at the strongest dispersion. Finally, the substitution by low CT concentration unaltered the relaxor behavior at low temperature. en_US
dc.language.iso en en_US
dc.title Quantification of relaxor behavior in (1 − x)Na0.5Bi0.5TiO3 – xCaTiO3 lead-free ceramics system en_US
dc.type Article en_US
dc.description.version Published en_US
dc.author.school SAS en_US
dc.author.idnumber 201306300 en_US
dc.author.department Natural Sciences en_US
dc.description.embargo N/A en_US
dc.relation.journal Journal of the European Ceramic Society en_US
dc.journal.volume 39 en_US
dc.journal.issue 7 en_US
dc.article.pages 2297-2303 en_US
dc.keywords NBT-CT en_US
dc.keywords Dielectric properties en_US
dc.keywords Relaxor behavior en_US
dc.keywords Order of dispersion en_US
dc.identifier.doi https://doi.org/10.1016/j.jeurceramsoc.2019.02.015 en_US
dc.identifier.ctation Roukos, R., Romanos, J., Dargham, S. A., & Chaumont, D. (2019). Quantification of relaxor behavior in (1− x) Na0. 5Bi0. 5TiO3–xCaTiO3 lead-free ceramics system. Journal of the European Ceramic Society, 39(7), 2297-2303. en_US
dc.author.email jimmy.romanos@lau.edu.lb en_US
dc.identifier.tou http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php en_US
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0955221919300986 en_US
dc.orcid.id https://orcid.org/0000-0002-5408-1657 en_US
dc.author.affiliation Lebanese American University en_US


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