![Sample our Physical Sciences journals, sign in here to start your FREE access for 14 days]({"type":"image" , "src" : "/sda/110819/TOC-Subject-Sample-2021-Physical-Sciences.jpg"})
Abstract
Ba0.7Sr0.3TiO3 ceramics has been synthesized by solid state reaction method. The effects of sintering time on microstructure and electric properties of Ba0.7Sr0.3TiO3 ceramics have been investigated. XRD patterns show that all ceramic samples are single tetragonal phase. The grain size increases with sintering time. Ba0.7Sr0.3TiO3 ceramics show obvious relaxor behavior because of its broadening dielectric peaks and frequency dispersion phenomenon. As sintering time increases, the Curie temperature does not change significantly and the diffuseness of the phase transition of Ba0.7Sr0.3TiO3 ceramics slightly enhances. Moreover, the remnant polarization and coercive field have no obvious changes with the increasing of sintering time.
Additional information
Funding
This work was supported by Excellent Talent Project in University of Chongqing (Grant No. 2017-35), the Science and Technology Innovation Project of Social Undertakings and People's Livelihood Guarantee of Chongqing (Grant No. cstc2017shmsA90015), the Program for Creative Research Groups in University of Chongqing (Grant No. CXQT19031), the Leading Talents of Scientific and Technological Innovation in Chongqing (CSTCCXLJRC201919), the Chongqing Research Program of Basic Research and Frontier Technology (Grant No. CSTC2018jcyjAX0416).