Volume : V, Issue : XII, December - 2016
STUDY OF PE HYSTERESIS LOOPS & ELECTRICAL PROPERTIES OF LEAD FREE CERAMIC SUBSTANCE Bi0.5Na0.5Ti1xZrxO3 [BNTZ]
Aloke Verma
Abstract :
In this work, study of P–E hysteresis loops and electrical properties of lead–free ceramic substances BNTZ. Leadfree bismuth sodium titanate zirconate (Bi0.5Na0.5Ti1–xZrxO3) ceramics were successfully prepared using the conventional mixed–oxide method. ?e samples were sintered for 2 hrs at temperatures < 1,000°C. ?e density of the BNTZ samples was at least 95% of the theoretical values. ?e scanning electron microscopy micrographs showed that small grains were embedded between large grains, causing a relatively wide grain size distribution. ?e density and grain size increased with increasing Zr concentration. A peak shift in X–ray diffraction patterns as well as the disappearance of several hkl reflections indicated some significant crystal–structure changes in these materials. Preliminary crystal–structure analysis indicated the existence of phase transition from a rhombohedral to an orthorhombic structure. ?e dielectric and ferroelectric properties were also found to correlate well with the observed phase transition.
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DOI : 10.36106/ijsr
Cite This Article:
ALOKE VERMA, STUDY OF PE HYSTERESIS LOOPS & ELECTRICAL PROPERTIES OF LEAD FREE CERAMIC SUBSTANCE Bi0.5Na0.5Ti1xZrxO3 [BNTZ], International Journal of Scientific Research, Volume : 5 | Issue : 12 |December 2016
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References :
ALOKE VERMA, STUDY OF PE HYSTERESIS LOOPS & ELECTRICAL PROPERTIES OF LEAD FREE CERAMIC SUBSTANCE Bi0.5Na0.5Ti1xZrxO3 [BNTZ], International Journal of Scientific Research, Volume : 5 | Issue : 12 |December 2016
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