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Opinion |
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Phase Transition Study of the Catecholate Synthesized Barium Titanate Powders |
Author ![]() |
Wongduan Maison [a], Gobwute Rujijanagul[b], Tawee Tunkasiri[b] And Sukon Phanichphant[a] |
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Abstract: Synthesis of high purity barium titanate powders by the catecholate process was performed by reacting catechol as a complexing agent with titanium tetrachloride in toluene to yield titanium complex, H2[Ti(C6H4O2)3], which then reacted with suspension of barium carbonate in deionizes water to yield barium titanate catecholate. The complex was isolated in solid form by freeze – drying. Subsequent decomposition to crystalline barium titanate was achieved by heating the freeze – drying complex from 600 ° C to 900 ° C with increment of 100 degrees for 3 hours. The physical and chemical properties of barium titanate were investigated. Phase transition of barium titanate powders was also studied.
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Volume ![]() |
Vol.26 No.2 (DECEMBER 1999) |
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Citation |
[a] W.M., Rujijanagul[b] G. and Phanichphant[a] T.T.A.S., Phase Transition Study of the Catecholate Synthesized Barium Titanate Powders, Chiang Mai Journal of Science, 1999; 26(2): -. |
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