Synthesis and properties of 0.8PZT-0.10PZN-0.10PNN ceramics
The 0.8PZT-0.10PZN-0.10PNN powders were synthesized via a columbite method. Pure perovskite phase was obtained at the calcinations temperature ≥ 900°C. Ceramics with the same composition were fabricated at various sintering temperatures. The densest ceramic with pure phase perovskite was obtained at...
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| Main Authors: | , , , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79960720560&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/50067 |
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| Institution: | Chiang Mai University |
| Summary: | The 0.8PZT-0.10PZN-0.10PNN powders were synthesized via a columbite method. Pure perovskite phase was obtained at the calcinations temperature ≥ 900°C. Ceramics with the same composition were fabricated at various sintering temperatures. The densest ceramic with pure phase perovskite was obtained at the sintering temperature of 1250°C for 4 h. The ceramics showed two phase transition at ∼265°C and ∼291°C which correspond to orthorhombic to tetragonal and tetragonal to cubic phase transition, respectively. The obtained ceramics also showed a very high dielectric constant >40000. The ferroelectric properties were investigated and discussed. Copyright © Taylor & Francis Group, LLC. |
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