Synthesis of (1-x)Pb[(Mg,Zn)_(1/3)Nb_(2/3)] O_3-PbTiO_3 DielectricCeramic Powder by a Coprecipitatio

来源 :Journal of University of Science and Technology Beijing(Engl | 被引量 : 0次 | 上传用户:camisado
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A coprecipitation method was used for preparation of 0.95Pb[(Mg0.8,Zn0.2) 1/ 3 Nb2 /3]O3-0.05PbTiO3(PMZN-PT),dielectric ceramic powder. X-ray powder diffraction and electron probe energy dispersive, X-ray analyzer revealed that the powder calcinated at 800℃ for 2 h is the PMZN-PT with 100% single perovskite phase, and the order of magnitude of atomic proportion of Mg to Zn reaches approximately 10: 1. In addition, the influence of Zn and Ti content on the perovskite phase and pyrochlore phase formation namely : 0.95Pb[(Mg1-x Znx) 1 /3Nb,2/3]O3 -0.05PbTiO3, (1-y)Pb[(Mg0.7Zn0.3) 1 /3Nb2 /3] O3-yPbTiO3 was also analysed. A coprecipitation method was used for preparation of 0.95Pb [(Mg0.8, Zn0.2) 1/3 Nb2 / 3] O3-0.05PbTiO3 (PMZN-PT), dielectric ceramic powder. X-ray powder diffraction and electron probe energy dispersive, X-ray analyzer revealed that the powder calcinated at 800 ° C for 2 h is the PMZN-PT with 100% single perovskite phase, and the order of magnitude of atomic proportion of Mg to Zn reaches approximately 10: 1. In addition, the influence of Zn and Ti content on the perovskite phase and pyrochlore phase formation: 0.95Pb [(Mg1-xZnx) 1 / 3Nb, 2/3] O3-0.05PbTiO3, (1-y) Pb [(Mg0.7Zn0 .3) 1 / 3Nb2 / 3] O3-yPbTiO3 was also analyzed.
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