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J. Korean Ceram. Soc. > Volume 35(5); 1998 > Article
Journal of the Korean Ceramic Society 1998;35(5): 465.
마이크로파 수열법에 의한 PbTiO$_3$ PMN 세라믹분말의 합성
한국에너지기술연구소 에너지재료연구팀
Microwave Hydrothermal Sythesis of PbTiO$_3$ and PMN Ceramic Powders
Lead titanate(PT) and lead magnesium niobate(PMN) ceramic powders were prepared by microwave hy-drothermal method using teflon bomb. Raw materials were Pb(NO3)2 and TiO2 for lead titanate and Pb(NO3)2 Nb2O5 and Mg(NO)3.6H2O for PMN with NaOH as mineralizer in both cases. in lead titanate synthsis rate of microwave hydrothermal method was faster three times than one f conventional hydrothermal methods In lead magnesium niobate synthsis the mixture of perovskite and pyrochlore phases was obtained by single step technique and the PMN was not obtained by double step technique due to low temperature limitation of teflon bomb.
Key words: Microwave hydrothermal processing, Powder synthesis, PbTiO$_3$, Powder, PMN Powder
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