Category: Transient Plane Source
Keywords: Ball Mill, Doping, Electrical Resistivity, Figures of Merit, Figures of Merit (ZT), Four-Probe Technique, Materials, Powder X-Ray Diffraction, Powder X-Ray Diffraction (XRD), Rietveld refinement program, Seebeck coefficient, Solid State Reaction, Superconductors, TE, Temperature Gradient, Thermal Conductivity, Thermal Plane Source, Thermal Plane Source (TPS) Technique, Thermoelectric, Thermoelectric (TE) Materials, Thermoelectricity, Thermopower, TPS Technique, van der Pauw Method, XRD, ZT
Abstract: Measurements were carried out to determine the electrical resistivity, thermal conductivity and Seebeck coefficients of a series of Fe-doped misfit-layered oxides (Ca3Co(4-x)Fe(x)O(9+delta) (x=0, 0.05, 0.1, and 0.2)). The thermal conductivity experiments were carried out using a Hot Disk Thermal Constants Analyzer via the TPS technique. XRD was also used to characterize the Fe-doped oxides. Overall, the transport properties of the Fe-doped oxides were studied and it was found that the replacement of Co with Fe leads to better thermoelectric properties.
Reference: Applied Physics Letters 89, 204102 2006