About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Ceramic Materials and Processing
|
| Presentation Title |
Co-doped BaTiO₃ Ceramics for Advanced Capacitor Applications: Structural and Dielectric Analysis. |
| Author(s) |
E. R. Ramírez-Martínez, M. Pérez-Labra, F. R. Barrientos-Hernández, J. A. Romero-Serrano, A. Hernández-Ramírez, E. D. German-Magaldi, J. A. Palmas-León, E. Gómez-Merino |
| On-Site Speaker (Planned) |
E. R. Ramírez-Martínez |
| Abstract Scope |
Ba₁₋₃ₓCr₂ₓTi₁₋₃ₓEr₄ₓO₃ solid solutions, with x = 0 and 0.25 (wt. %), were synthesized via ball milling method followed by thermal treatment. The powders were milled for 6 hours using zirconia balls of varying diameters, with acetone as a process control agent. The resulting mixtures were sintered at 1200 °C for 6 hours (5 °C/min ramp) in air atmosphere. X-ray diffraction confirmed the formation of a predominantly tetragonal BaTiO₃ phase. Capacitor-type samples (10 mm) were fabricated and sintered at 1200 °C for 6 hours (5 °C/min ramp) in air atmosphere. Subsequent dielectric characterization revealed that co-doping with Er³⁺ and Cr³⁺ significantly enhanced the dielectric response at 4 and 10 kHz, compared to undoped BaTiO₃. HRSEM-EDS analysis showed well sintered microstructures with characteristic necking and homogeneous dopant distribution, suggesting successful incorporation into the perovskite lattice. These results underscore the potential of Er³⁺/Cr³⁺ co-doped BaTiO₃ as a promising material for advanced capacitor applications. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Ceramics, Energy Conversion and Storage, Characterization |