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

Thermal and Electrical Properties of P${}_2$O${}_5$-CaO-Na${}_2$O Glass Containing Ba$_{0.6}$Sr$_{0.4}$TiO${}_3$

21 May 2015, 13:00
3h 30m
Board: MNA-31
Poster presentation Material Physics, Nanoscale Physics and Nanotechnology Poster-3

Speaker

Ms Pratthana Intawin (Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)

Description

Five different compositions of the system P${}_2$O${}_5$-CaO-Na${}_2$O containing 0, 10, 20, 30 and 40 mol% of Ba${}_{0.6}$Sr${}_{0.4}$TiO${}_3$ were prepared by the melt quenching method. The effects of composition on their thermal properties and dielectric properties were evaluated and discussed. The glasses were evaluated for glass transition temperature (Tg) and dielectric constant $\varepsilon$. The electrical and the thermal properties were also compared with theoretical data. Tg of the glasses varied between 450 and 530${}^{\circ}$C.The dielectric constant ranges from 6 to 9 and a dielectric loss of 0.0012 at 4.8 GHz, which provide an attractive feature for microwave applications.

Primary author

Ms Pratthana Intawin (Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200)

Co-authors

Dr Kamonpan Pengpat (Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, THAILAND 50200) Dr Wilaiwan Leenakul (Faculty of Science, Rajamangala University of Technology Phra Nakhon, Bangkok, THAILAND 10300)

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