- Thermoelectric Property of Ball Milled Bi-Te-Sb Powder
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Ji-Hun Yu, Seung-Chul Bae, Gook-Hyun Ha, Byoung-Kee Kim, Gil-Gun Lee
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J Korean Powder Metall Inst. 2005;12(6):387-392.
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DOI: https://doi.org/10.4150/KPMI.2005.12.6.387
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 Abstract
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- The p-type semiconductor Bi_2Te_3-Sb_2Te_3 thermoelectric materials were fabricated by melting, milling and sintering process and their thermoelectric properties were characterized. The compound materials were ball-milled with milling time and the powders were sintered by spark plasma sintering process. The ball milled powders had equiaxial shape and approedmately 1~3µm in size. The figure of meritz of sintered thermoelectric materials decreased with milling time because of lowered electrical resistivity. The thermoelectric properties of Bi_2Te_3-Sb_2Te_3 materials have been discussed in terms of electrical property with ball mill process.
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