Microstructure and dielectric properties of nickel-doped Ba0.7Sr0.3TiO3 ceramics fabricated by solgel method

• Main Authors: Kakumani, Asa Deepthi, Ruthramurthy, Balachandran, Wong, Hin Yong, Ong, Boon Hoong, Tan, Kar Ban, Yow, Ho Kwang
• Format: Article
• Language: English
• Published: The American Ceramic Society 2016
• Online Access: http://psasir.upm.edu.my/id/eprint/42225/1/Microstructure%20and%20dielectric%20properties%20of%20nickel-doped%20Ba0.7Sr0.3TiO3%20ceramics%20fabricated%20by%20solgel%20method.pdf; http://psasir.upm.edu.my/id/eprint/42225/; http://onlinelibrary.wiley.com/wol1/doi/10.1111/ijac.12421/abstract
• Institution: Universiti Putra Malaysia

A study of phase transition, microstructure, and dielectric properties of Ba0.7Sr0.3Ti1–xNixO3 (BSTN) ceramics prepared by slow-injection solgel technique with x ranging from 0 to 1 mol% is reported in this article. The as-prepared BSTN material was calcined at 800 and 1000°C and subsequently sintered at 1100 and 1200°C, respectively. The optimized condition was found to be Ba0.7Sr0.3TiO3 doped with 1 mol% nickel calcined at 1000°C and sintered at 1200°C having the lowest dielectric loss of 0.02 with a dielectric constant of 1603 which was measured at a frequency of 1 kHz at room temperature.