20-22 May 2015
Asia/Bangkok timezone
The Centennial Celebration of General Relativity Theory and 80 Years of Thai Physics Graduate

Effect of Temperature on Electrical Properties of BaCeO${}_3$ Ceramics

21 May 2015, 13:00
3h 30m
Board: MNA-15
Poster presentation Material Physics, Nanoscale Physics and Nanotechnology Poster-3

Speaker

Mr Narongdetch Boothrawong (Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)

Description

In this work, BaCeO${}_3$ were prepared by a solid-state reaction method. BaCeO${}_3$ were calcined at 1300 ${}^{\circ}$C for 10 h in air and sintered at various temperatures. Phase formation analysis by X-ray diffraction technique (XRD) revealed that the samples exhibited a perovskite structure. The microstructural analysis indicated that grain size of the ceramics increased with sintering temperature due to higher different at a higher temperature. The dielectric constant of the ceramics tended to increased with the sintering temperature increase. In addition, complex impedance analysis was applied to determine grain boundary and grain responses of the ceramics. The analysis suggested that the electrical properties of BaCeO${}_3$ depended on characteristics of grain and grain boundary.

Primary author

Mr Narongdetch Boothrawong (Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)

Co-author

Prof. Gobwute Rujijanagul (Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)

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