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Influence of Cu Doping on Bipolar Conduction Suppression for <i>p</i>-type Bi<sub>0.5</sub>Sb<sub>1.5</sub>Te<sub>3</sub> and Bi<sub>0.4</sub>Sb<sub>1.6</sub>Te<sub>3</sub> Alloys
Cu 첨가에 따른 p-type Bi0.5Sb1.5Te3 및 Bi0.4Sb1.6Te3 합금의 양극성 전도 저감 효과
Hyun-Jun Cho, Hyun-Sik Kim, Woong-hee Sohn, Sang-il Kim
조현준, 김현식, 손웅희, 김상일
Korean J. Met. Mater. 2020;58(6):439-445.   Published online 2020 May 21
DOI: https://doi.org/10.3365/KJMM.2020.58.6.439

In this study, we report how Cu doping can modify the thermoelectric performance of p-type Bi0.5Sb1.5Te3 and Bi0.4Sb1.6Te3 thermoelectric alloys, including their electronic and thermal transport properties. For electronic transport, the power factors of both Bi0.5Sb1.5Te3 and Bi0.4Sb1.6Te3 compositions were increased by Cu doping. The origins of the enhanced power..... More

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