The Electrical and Thermal Transport Properties of La-Doped SrTiO3 with Sc2O3 Composite
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sample Preparation
2.2. Phase and Microstructure Characterization
2.3. Thermoelectric Performance Measurements
3. Results and Discussion
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Nominal Comp. | Ti (%) | O (%) | Sr (%) | La (%) | Sc (%) | Real Comp. |
---|---|---|---|---|---|---|
SrTiO3 | 20.01 ± 0.27 | 60.04 ± 0.12 | 19.95 ± 0.25 | - | - | SrTi0.997O3 |
Sr0.96Sc0.04TiO3 | 20.03 ± 0.16 | 60.05 ± 0.13 | 19.20 ± 0.15 | - | 0.72 ± 0.28 | Sr0.959Sc0.036Ti1.001O3 |
Sr0.9Sc0.04La0.06TiO3 | 19.88 ± 0.21 | 60.18 ± 0.31 | 17.98 ± 0.19 | 1.14 ± 0.09 | 0.82 ± 0.32 | Sr0.897Sc0.040La0.058Ti0.99O3 |
Sr0.88Sc0.06La0.06TiO3 | 20.02 ± 0.18 | 59.92 ± 0.21 | 17.69 ± 0.20 | 1.21 ± 0.06 | 1.16 ± 0.21 | Sr0.885Sc0.058La0.061Ti1.002O3 |
Sr1-x-yScxLayTiO3 | Average Grain Size (μm) | Real Density (g cm−3) | Thermal Expansion Coefficients (10−5 K−1, 500–800 K) |
---|---|---|---|
SrTiO3 | 1.77 ± 0.07 | 5.105 | 1.00 ± 0.01 |
Sr0.96Sc0.04TiO3 | 1.87 ± 0.01 | 4.997 | 1.01 ± 0.01 |
Sr0.9Sc0.04La0.06TiO3 | 1.35 ± 0.07 | 5.124 | 1.02 ± 0.01 |
Sr0.88Sc0.06La0.06TiO3 | 1.35 ± 0.05 | 5.134 | 1.08 ± 0.01 |
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Guo, K.; Yang, F.; Weng, T.; Chen, J.; Zhang, J.; Luo, J.; Li, H.; Rao, G.; Zhao, J. The Electrical and Thermal Transport Properties of La-Doped SrTiO3 with Sc2O3 Composite. Materials 2021, 14, 6279. https://doi.org/10.3390/ma14216279
Guo K, Yang F, Weng T, Chen J, Zhang J, Luo J, Li H, Rao G, Zhao J. The Electrical and Thermal Transport Properties of La-Doped SrTiO3 with Sc2O3 Composite. Materials. 2021; 14(21):6279. https://doi.org/10.3390/ma14216279
Chicago/Turabian StyleGuo, Kai, Fan Yang, Tianyao Weng, Jianguo Chen, Jiye Zhang, Jun Luo, Han Li, Guanghui Rao, and Jingtai Zhao. 2021. "The Electrical and Thermal Transport Properties of La-Doped SrTiO3 with Sc2O3 Composite" Materials 14, no. 21: 6279. https://doi.org/10.3390/ma14216279