Characterization of LaFeO3 Dielectric Ceramics Produced by Spark Plasma Sintering
Abstract
:1. Introduction
2. Experimental Data
2.1. Sample Manufacturing
2.2. Microstructure Characterization
2.3. Thermal Characterizations
2.4. Dielectric Parameters
3. Results and Discussion
3.1. Powder Thermal Stability and Chemical Purity
3.2. Dielectric Characterization
3.3. Microstructure and Hardness
3.4. Electrical Response to Visible Light
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | Ramp Up (°C/min) | Pressure (MPa) | Dwell at Tmax (min) | Ramp Down (°C/min) |
---|---|---|---|---|
SPS1150 | 50 | 80 | 5 | Free; details in text |
SPS1200 * | 50 | 80 | 5; 10 | Free; details in text |
SPS1300 * | 50 | 80 | 5; 10 | Free; details in text |
Sample | LaFeO3 | La(OH)3 | Fe2O3 | Fe |
---|---|---|---|---|
Powder | 87.74 | 10.20 | 2.06 | 0 |
SPS1150 | 90.27 | 9.73 | 0 | 0 |
SPS1300 | 36.94 | 44.74 | 0 | 18.32 |
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Ctibor, P.; Sedláček, J.; Illková, K.; Straka, L. Characterization of LaFeO3 Dielectric Ceramics Produced by Spark Plasma Sintering. Materials 2024, 17, 287. https://doi.org/10.3390/ma17020287
Ctibor P, Sedláček J, Illková K, Straka L. Characterization of LaFeO3 Dielectric Ceramics Produced by Spark Plasma Sintering. Materials. 2024; 17(2):287. https://doi.org/10.3390/ma17020287
Chicago/Turabian StyleCtibor, Pavel, Josef Sedláček, Ksenia Illková, and Libor Straka. 2024. "Characterization of LaFeO3 Dielectric Ceramics Produced by Spark Plasma Sintering" Materials 17, no. 2: 287. https://doi.org/10.3390/ma17020287