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- Title
Thermoelectric Properties of CaDyCoO with x = 0.00, 0.02, 0.05, and 0.10.
- Authors
Bhaskar, Ankam; Jhang, C.-S.; Liu, Chia-Jyi
- Abstract
Polycrystalline samples of CaDyCoO ( x = 0.00, 0.02, 0.05, and 0.10) have been prepared by conventional solid-state synthesis. The x-ray diffraction (XRD) results revealed that all the samples are single phase. The thermoelectric properties were measured at 25 K to 300 K. The thermopower of all the samples was positive, indicating that the predominant carriers are holes over the entire temperature range. The electrical resistivity of all the samples exhibited the nonmetal-to-metal transition at below 75 K. The electrical resistivity decreased and the thermopower increased with increasing Dy content. Among all the samples, CaDyCoO had the highest dimensionless figure of merit of 0.044 at 300 K.
- Subjects
POLYCRYSTALLINE semiconductors; THERMAL properties of semiconductors; X-ray diffraction; THERMOELECTRIC power; CHEMICAL synthesis; THERMAL conductivity
- Publication
Journal of Electronic Materials, 2013, Vol 42, Issue 8, p2582
- ISSN
0361-5235
- Publication type
Article
- DOI
10.1007/s11664-013-2634-8