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    Reinvestigation Thermoelectric Properties of CuAlO2

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    AbstractBulk CuAlO2 delafossite has been synthesized by solid state reaction to reinvestigate the thermoelectric properties. The electrical conductivity, Seebeck coefficient and thermal conductivity were measured in a high temperature range of 300 to 960K. The result of positive sign of Seebeck coefficient confirms p-type nature of CuAlO2 compund. The results of bulk sample for Seebeck coefficient, the electrical conductivity and thermal conductivity are range of 900 to 300ÎĽV/K, of 0.01 to 2 S/cm, and of 3.5W/mK to 1.5W/mK. The maximum ZT value of bulk sample is 0.017 at a 960K. These results can be concluded that the bulk CuAlO2 by solid state state displays thermoelelctric material
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