Effect of Different Doping on the Structure and Field-Stability of PMNT Ceramics |
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| Journal | Key Engineering Materials (Volumes 336 - 338) |
|---|---|
| Volume | High-Performance Ceramics IV |
| Edited by | Wei Pan and Jianghong Gong |
| Pages | 36-38 |
| DOI | 10.4028/www.scientific.net/KEM.336-338.36 |
| Citation | Xiao Wei Wen et al., 2007, Key Engineering Materials, 336-338, 36 |
| Online since | April, 2007 |
| Authors | Xiao Wei Wen, Chu De Feng, Li Dong Chen, Shi Ming Huang |
| Keywords | Dielectric Properties, Electron Microscopy, Field Stability, X-Ray Diffraction (XRD) |
| Abstract | Effect of co-doping two different elements and incorporating SrBi2Nb2O9 (SBN) on structure and field-stability of dielectric properties in PMNT ceramics were investigated. Single-phase cubic Perovskite structure is more easily obtained by appropriate co- doping of La3+ and Zn2+. X-ray diffraction patterns of PMNT/SBN composite showed that there is no SBN grains in PMNT/SBN as a secondary phase. Co-doping of La3+ and Zn2+ as well as incorporation of SBN markedly increased the field-stability of dielectric constant. The mechanism of improving field-stability was tentatively discussed. |
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