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dc.contributor.authorSupalak Manothamen_US
dc.contributor.authorPichitchai Butnoien_US
dc.contributor.authorPharatree Jaitaen_US
dc.contributor.authorTawee Tunkasirien_US
dc.description.abstract© 2018 Trans Tech Publications, Switzerland. In this work, the properties of lead-free 0.92(Bi0.5Na0.42 K0.08)TiO3-0.08(BaNb0.01 Ti0.99)O3 or 92BNKT-8BNbT ceramic has been investigated. The sample was fabricated by a solid-state reaction technique. The 92BNKT-8BNbT sample was well sintered and dense with high density value of 5.86 g/cm3 . X-Ray diffraction (XRD) patterns showed a single perovskite phase with tetragonal symmetry and no impurity or secondary phases. The microstructure was analysed using a scanning electron microscopy (SEM). Average grain size was measured and calculated based on a mean linear intercept method. The ceramics had a cubic-like grain shape with an average grain size of 0.39 µm. The influence of temperature on the dielectric and ferroelectric properties of the ceramic was investigated. The dielectric curves exhibited broad transition peaks at Td and Tm, which were the characteristics of a diffuse phase transition. The polarization-electric field (P-E) hysteresis loop changed from well-saturated at room temperature (RT) to pinched-type loop at high temperature (HT) and the remanent polarization decreased from 21.25 µC/cm2 (at RT) to 5.96 µC/cm2 (at 150 ºC).en_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleStructure and electrical properties of bnkt-based ceramicsen_US
dc.typeBook Seriesen_US
article.title.sourcetitleSolid State Phenomenaen_US
article.volume283 SSPen_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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