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Micro/nanostructured p-type Bi 0.4 Sb 1.6 Te 3 alloy was prepared by hot-pressing at 703K. From the measurements of Seebeck coefficient, electrical resistivity and thermal conductivity, the calculated ZT value up to 1.15 was achieved at room temperature. The achieved higher ZT value is attributed to the unique micro/nanostructures which reduce the thermal conductivity effectively...
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