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Title: Effect of Poling on Ferroelectric Properties and Leakage Current Behavior of 0.7Ba(Zr0.2Ti0.8 )O3 -0.3(Ba0.7Ca0.3 )TiO3 Lead Free Ceramics
Authors: Dash, Smaranika
Mohanty, Hari Sankar
Kumar, Ashok
Thomas, Reji
Pradhan, Dillip K
Keywords: Perovskite oxides
Electrical poling
Ferroelectric properties
Leakage current
Issue Date: Dec-2018
Citation: 63rd DAE Solid State Physics Symposium (DAE-SPSS 2018), Hisar, India, 18-22 December 2018.
Abstract: Lead-free ferroelectric 0.7Ba(Zr0.2Ti0.8)O3-0.3(Ba0.7Ca0.3)TiO3 (BZT-BCT) ceramics have been prepared by sol-gel auto combustion technique. XRD pattern reveals the realization of single-phase material. Rietveld refinement of the XRD patterns confirms the rhombohedral structure having space group R3m. FESEM micrograph shows a highly dense microstructure. The effect of electrical poling on ferroelectric properties and leakage current behavior discussed in detail. The variation of leakage current with the electric field is in consistent with the space charge conduction mechanism.
Description: Copyright of this document belongs to proceedings publisher.
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