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dc.contributor.authorPuripat Kanthaen_US
dc.contributor.authorNuttapon Pisitpipathsinen_US
dc.contributor.authorKamonpan Pengpaten_US
dc.description.abstractElectrical properties of lead-free solid solution ceramics from the Bi0.4871Na0.4871La0.0172TiO3(BNLT) and BaZr0.05Ti0.95O3(BZT) system have been improved by a thermal treatment technique. A modified two step mixed-oxide method was employed for the preparation of the (1-x)BNLT-xBZT ceramics, where x=0.06, 0.09, 0.12 and 0.20. After sintering at 1125 °C for 4 h, the BNLT-BZT ceramics were annealed at 825, 925 and 1025 °C. The annealing treatment caused an increase in dielectric constant of BNLT-BZT ceramics with x≤0.09 mol% and with x higher than 0.09 mol% the dielectric value dropped considerably. The ferroelectric properties of all annealed ceramic samples tend to decrease with increasing annealing temperature as confirmed by the slimmer P-E loops. The piezoelectric coefficient (d33) increased with annealing temperatures and a maximum value of ∼170 pC/N was obtained from the ceramic samples annealed at 1025 °C with x=0.02. © 2012 Elsevier Ltd and Techna Group S.r.l.en_US
dc.subjectChemical Engineeringen_US
dc.subjectMaterials Scienceen_US
dc.titleEnhanced electrical properties of lead-free BNLT-BZT ceramics by thermal treatment techniqueen_US
article.title.sourcetitleCeramics Internationalen_US
article.volume39en_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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