Effect of Na0.5Bi0.5TiO3 on dielectric properties of BaTiO3 based ceramics |
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| Authors: | Yue Sun Hanxing Liu Hua Hao Shujun Zhang Liling Guo Zhiyong Yu |
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| Affiliation: | 1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 430070, PR China;2. School of Materials Science and Engineering, Wuhan University of Technology, 430070, PR China;3. Materials Research Institute, Pennsylvania State University, University Park, PA 16802, USA |
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| Abstract: | In this work, Na0.5Bi0.5TiO3 (NBT) was used to improve the high temperature dielectric properties of Nb, Co-doped BaTiO3 (BT). Different x was selected (x = 0, 0.02, 0.04, 0.06, 0.08, 0.1, 0.2, 0.3, 0.4) to optimize the ratio of BT to NBT in (1 ? x) BT–xNBT solid solution. The dielectric constant of the original X7R material is about 4900 at room temperature, decreasing to 2500 with NBT addition (x = 0.2). Of important is that the temperature stability was improved with dielectric constant variation being less than ±15% up to 160 °C. |
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