Structural Characterization and Dielectric Properties of Sol-Gel Synthesized BiScO₃-0.64PbTiO₃ Ceramics

Abstract

(1-x)BiScO₃-xPbTiO₃ (BS-0.64PT) nano-sized powders were successfully synthesized with sol-gel process. The structure and morphology of the powders was performed by x-ray diffraction (XRD) and transmission electron microscopy (TEM), respectively. The average grain size of the calcined gel-powder was ∼30 nm, that fine grain powder was used to obtain fine grain ceramics with pure perovskite phase. The XRD structural analysis of the sintered ceramics by Rietveld refinement revealed the co-existence of tetragonal and monoclinic phases. The dielectric properties of BS-0.64PT ceramics were also investigated.

Keywords:

• Piezoelectric ceramics
• BS-PT
• Rietveld refinement

PACS:

• 61.05.cp
• 77.00.00
• 77.80Bh

Acknowledgment

One of the authors (KS) is thankful to the Higher Education Commission (HEC), Pakistan, for financial support, and Electronic Materials Research Laboratory, Xi'an Jiaotong University, Xi'an, China, where experimental part of this work was carried out.