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We introduce an AC calorimetric technique to measure absolute Seebeck coefficient for thermoelectric metrology. The measurement of Thomson heat can only determine the Seebeck coefficient of single materials using Kelvin relation. Our heat transfer analysis in the Thomson heat measurement indicates that the use of AC current can compensate for the heat loss from the thermocouple, which is inevitable...
We introduce an ac/dc transfer technique for measuring the Thomson coefficient of a metallic sample in high-temperature thermoelectric metrology. The Thomson coefficient is measured by applying equivalent dc and ac to a metallic wire configured similarly to a single-junction thermal converter that is widely used in ac/dc transfer devices. The use of ac/dc makes the expression of the Thomson coefficient...
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