Stoichiometric Pb(Mg1/3Nb2/3)O3 perovskite ceramics produced by reaction-sintering process |
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| Authors: | Yi-Cheng Liou Ko-Hao Tseng |
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| Affiliation: | Department of Electronic Engineering, Kun-Shan University of Technology, Tainan Hsien, Taiwan, ROC |
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| Abstract: | Stoichiometric lead magnesium niobate, Pb(Mg1/3Nb2/3)O3 (PMN), perovskite ceramics produced by reaction-sintering process were investigated. Without calcination, a mixture of PbO, Nb2O5, and Mg(NO3)2 was pressed and sintered directly. Stoichiometric PMN ceramics of 100% perovskite phase were obtained for 1, 2, and 4 h sintering at 1250 and 1270 °C. PMN ceramics with density 8.09 g/cm3 (99.5% of theoretical density 8.13 g/cm3) and Kmax 19,900 under 1 kHz were obtained. |
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| Keywords: | A Ceramics C X-ray diffraction D Dielectric properties |
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