Category: Transient Plane Source
Author(s): Ankam Bhaskar, C.-S. Jhang, Chia-Jyi Liu
Keywords: electrical resistance, Iodometric Titration, Thermal Conductivity, Thermoelectric Materials, Thermopower, Transient Plane Source Technique, X-ray Diffraction, X-ray diffraction (XRD), XRD
Abstract: The low-temperature thermoelectric properties of Ca3-xDyxCo4O9+delta systems (x = 0, 0.02, 0.05, and 0.10). It was determined that these systems produced positive thermopower, indicating that the dominant carriers were holes. The electrical resistivity and thermal conductivity were found to decrease with increasing Dy3+ content, and the thermopower was found to increase. The highest calculated thermoelectric figure of merit was 0.044, and this was calculated for the Ca2.9Dy0.1Co4O9+delta sample.
Reference: Journal of Electronic Materials, 42, 8 (2013) 2582-2586
DOI: 10.1007/s11664-013-2634-8