Thermoelectric Properties of the Perovskite-Type Oxide SrTiNbO Synthesized by Solid-State Reaction Method
Electronic Materials Letters, ISSN: 2093-6788, Vol: 14, Issue: 3, Page: 336-341
2018
- 28Citations
- 11Captures
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Article Description
The perovskite-type oxide materials SrTiNbO (X = .02, 0.03, 0.04, 0.05 and 0.06) were synthesized by the conventional solid-state reaction method and the thermoelectric properties in terms of Nb doping at the B-site in the oxides were investigated in this study. The formation of single phase cubic perovskite structure was confirmed by the powder X-ray diffraction analysis. Negative conduction is shown in this materials system. The absolute value of Seebeck coefficient increased with increasing temperature over the measured temperature. The electrical conductivity decreased monotonically with increasing temperature, showing degenerating conduction behavior. The thermal conductivity, k, generally decreased with increasing temperature. The power factor increased with increasing Nb-doping level up to 5.0 mol% and hence the dimensionless figure of merit ZT, increased up to 5.0 mol%. The maximum ZT value was observed for SrTiNbO at 873 K.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85046070683&origin=inward; http://dx.doi.org/10.1007/s13391-018-0029-y; http://link.springer.com/10.1007/s13391-018-0029-y; http://link.springer.com/content/pdf/10.1007/s13391-018-0029-y.pdf; http://link.springer.com/article/10.1007/s13391-018-0029-y/fulltext.html; https://dx.doi.org/10.1007/s13391-018-0029-y; https://link.springer.com/article/10.1007/s13391-018-0029-y
Springer Nature
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