Conduction mechanism investigation in YCa2Cu3Oδ colossal permittivity ceramics
Sol-gel synthesized YCa2Cu3Oδ ceramic exhibits giant permittivity εr′≈104, low loss tanδ0.3, and high stability over frequency and temperature. XRD revealed a tetragonal phase (P4/mmm). XPS confirmed high oxygen vacancy density. The structural heterogeneity, shown by SEM, between neighboring grains...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-06-01
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| Series: | Results in Physics |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2211379725001780 |
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