Enhanced Thermoelectric Response of CaDyReMnO Ceramics (Re = La, Nd, Sm) at High Temperature
Journal of Electronic Materials, ISSN: 1543-186X, Vol: 44, Issue: 1, Page: 414-419
2015
- 5Citations
- 9Captures
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Article Description
Perovskite-type CaDyMnO, CaDyMnO, and CaDyReMnO (Re = La, Nd, Sm) were prepared by solid-state reaction, and their thermoelectric properties were evaluated between 300 and 1000 K. All were single-phase, with an orthorhombic structure, and had metal-like temperature dependence of resistivity and Seebeck coefficient. The second doping element, Re = La, Nd, or Sm, introduced a larger carrier concentration, leading to a decrease in both resistivity and Seebeck coefficient. This contributed to lower thermal conductivity by introducing a second element into the system. The highest figure of merit, 0.20, was obtained for Re = La at 973 K; this was an increase of almost 100% compared with CaDyMnO at the same temperature.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84925503191&origin=inward; http://dx.doi.org/10.1007/s11664-014-3450-5; http://link.springer.com/10.1007/s11664-014-3450-5; http://link.springer.com/content/pdf/10.1007/s11664-014-3450-5; http://link.springer.com/content/pdf/10.1007/s11664-014-3450-5.pdf; http://link.springer.com/article/10.1007/s11664-014-3450-5/fulltext.html; https://dx.doi.org/10.1007/s11664-014-3450-5; https://link.springer.com/article/10.1007/s11664-014-3450-5
Springer Science and Business Media LLC
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