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Press molded plaque samples are commonly used for characterization of polymeric insulation materials. Such samples are prepared by pressing polymer granulates sandwiched between two layers of protective press films at high temperatures and pressures. Polyethylene terephthalate (PET) film is a common press film since it tolerates high temperatures, acts as a good diffusion barrier and can be separated...
In this study, we fabricated in-plane thermoelectric micro-generators (4 mm times 4 mm) based on bismuth telluride thin films by using flash evaporation method. The thermoelectric properties of as-grown thin films are lower than those of bulk materials. Therefore the as-grown thin films were annealed in hydrogen at atmospheric pressure for 1 hour in a temperature range of 200 degC. to 400degC. By...
Thermal conductivities of thin silicon dioxide films are measured using specialized test structures with parallel plate-electrodes. Films with thicknesses in the range of 0.6 ??m to 2.5 ??m are investigated. For the first time it is experimentally verified that the temperature dependence of the thermal conductivity of thin silicon dioxide films follows that of bulk fused quartz. Measured conductivities...
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