Structural and dielectric properties of BaCe_xTi_1-xO₃ ceramics

Abstract

Lead-free BaTiO₃-based materials is the replacement of lead-based materials for various dielectric applications. These materials having excellent piezoelectric,pyroelectric and ferroelectric properties in comparison of lead-based counterparts. In this article, the role of Cerium dopant on microstructural and dielectric performance of BaCe_xTi_1-xO₃ (BCT) ceramics with compositions x = 0, 0.1, 0.12 and 0.15 is investigated in detail. A diffuse phase transition is typical for all the Ce doped compositions, with a substantial reduction of the Curie temperature towards room temperature. The performance of BaCe_0.15Ti_0.85O₃ was good with respect to other samples.

Keywords:

• Ferroelectric
• dielectrics and piezoelectric

Acknowledgment

Shatrughan Singh thanks IIT Mandi for laboratory facilities.