Abstract
Glasses were prepared using the conventional melt quench technique and converted to glass-ceramics by two stage heat treatment. The density of glass and glass–ceramic samples was measured by Archimedes principle. Formation of ferroelectric phase in the glass–ceramic samples was confirmed using XRD. The resulting glass-ceramics contained most stable tetragonal lead titanate (PbTiO3) phase along with lead zirconate titanate phase. Volume fraction of tetragonal lead titanate phase was calculated from XRD. Microstructure of the glass-ceramics revealed the formation of lead titanate crystals. Dielectric properties were studied at different frequencies and temperature. Ferroelectric hysteresis measurement was carried out using PE-loop tracer. The presence of dielectric and ferroelectric properties in these samples may further explored for piezoelectric applications.
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