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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2507.00614 |
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| _version_ | 1866915376117317632 |
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| author | Ramachandran, B. Sudarshan, N. Mangamma, G. Rao, M. S. Ramachandra |
| author_facet | Ramachandran, B. Sudarshan, N. Mangamma, G. Rao, M. S. Ramachandra |
| contents | A single-phase 65PMN-35PT ceramic was synthesized at a relatively low temperature (875 oC) using a modified columbite method. X-ray diffraction analysis confirmed the single-phase formation of perovskite 65PMN-35PT with a tetragonal structure. Morphological studies indicated that the sample consisted of small grains with a size of about 2 micro-m. The dielectric properties of the material demonstrate its relaxor behavior near the ferroelectric transition temperature, TC = 457 K. The saturation and remnant polarization values of approximately 25.9 and 20.1 micro-C cm-2 were achieved for an electrically poled sample. Additionally, the poling induced a negative internal electric field of about -0.2 kV cm-1 was detected due to the presence of ferroelectric nano-grains in this bulk 65PMN-35PT sample. These observed characteristics of the pyrochlore-free 65PMN-35PT ceramic are similar to those of its single-crystal counterpart. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_00614 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Structural, dielectric, and ferroelectric characteristics of the low-temperature sintered 65PMN-35PT sample for electroceramic applications Ramachandran, B. Sudarshan, N. Mangamma, G. Rao, M. S. Ramachandra Materials Science A single-phase 65PMN-35PT ceramic was synthesized at a relatively low temperature (875 oC) using a modified columbite method. X-ray diffraction analysis confirmed the single-phase formation of perovskite 65PMN-35PT with a tetragonal structure. Morphological studies indicated that the sample consisted of small grains with a size of about 2 micro-m. The dielectric properties of the material demonstrate its relaxor behavior near the ferroelectric transition temperature, TC = 457 K. The saturation and remnant polarization values of approximately 25.9 and 20.1 micro-C cm-2 were achieved for an electrically poled sample. Additionally, the poling induced a negative internal electric field of about -0.2 kV cm-1 was detected due to the presence of ferroelectric nano-grains in this bulk 65PMN-35PT sample. These observed characteristics of the pyrochlore-free 65PMN-35PT ceramic are similar to those of its single-crystal counterpart. |
| title | Structural, dielectric, and ferroelectric characteristics of the low-temperature sintered 65PMN-35PT sample for electroceramic applications |
| topic | Materials Science |
| url | https://arxiv.org/abs/2507.00614 |