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 ...Read More
Keyword: electrical resistance
Low-Temperature thermoelectric and magnetic characteristics of Ca2.9Bi0.1Co4−xFexO9+delta (0 < x < 0.10)
Thermoelectric materials are currently being researched as a source of energy in order to reduce carbon dioxide emissions. The efficiency of these materials depends on their Seebeck coefficient, electrical resistivity, ...
Keywords: electrical resistance, Thermal Conductivity, Thermoelectric Materials, Thermopower, Transient Plane Source Technique, Type E Differential Thermocouple, van der Pauw Method, X-ray Diffraction, X-ray diffraction (XRD), XRDRead More
Thermoelectric properties of n-type Ca(1-x)Bi(x)Mn(1-y)Si(y)O(3-delta) (x = y = 0.00, 0.02, 0.03, 0.04, and 0.05) system
CaMnO3 has been proposed for use in thermoelectric materials, due to its favourable thermoelectric properties. In this article, the effect of doping using bismuth and silicon to replace calcium and ...
Keywords: density, Doping, electrical resistance, Figure of Merit, Figure of Merit (ZT), Iodometric Titration, Lattice Parameters, Materials, Phase Purity, Sintering, Solid State Reactions, TE, Thermoelectric, Thermoelectric (TE) Materials, Thermoelectric Modules, Thermopower, X-ray Diffraction, X-ray diffraction (XRD), XRD, ZTRead More
Describes how second-order terms are important to the hot-strip method, and should be included in situations where a high-current pulse is being used. The authors determined approximate values for the ...
Keywords: electrical resistance, Nanofluids, Nanoparticles, Nanorefrigerants, REFPROP 8.0, Thermal Conductivity, Thickness of Adsorption Layer, TPS Method, Transient Plane Source, Transient plane source (TPS) method, volume fraction, Wang ModelRead More
Towards Thermoconductive, Electrically Insulating Polymeric Composites with Boron Nitride Nanotubes as Fillers
In this experiment, the thermal conductivity of several composites, with varying matrix composition and boron nitride nanotubes fillers, was investigated. Poly(methyl methacrylate), polystyrene, poly(vinyl butyral) and poly(ethylene ...
Keywords: BN, BNNT, boron nitride, boron nitride nanotubes, boron nitride nanotubes (BNNTs), coefficient of thermal expansion, Coefficient of thermal expansion (CTE), composites, CTE, electrical insulation, electrical resistance, Fillers, heat-releasing materials, poly(ethylene vinyl alcohol), poly(methyl methacrylate), Polymer composites, polystyrene, Polyvinyl butyral, Thermal Conductivity, Vickers microhardness testsRead More