Thermoelectric properties of the hot-pressed Bi(2)(Te,Se)(3) alloys with the Bi(2)Se(3) content and addition of scattering center
- Authors
- Kim, HC; Lee, SK; Oh, TS; Hyun, DB
- Issue Date
- 1998
- Publisher
- IEEE
- Citation
- XVII INTERNATIONAL CONFERENCE ON THERMOELECTRICS, PROCEEDINGS ICT 98, pp.174 - 177
- Journal Title
- XVII INTERNATIONAL CONFERENCE ON THERMOELECTRICS, PROCEEDINGS ICT 98
- Start Page
- 174
- End Page
- 177
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/27643
- DOI
- 10.1109/ICT.1998.740346
- Abstract
- Thermoelectric properties of the hot-pressed Bi(2)(Te(1-x)Se(x))(3) alloys, prepared by melting/grinding and mechanical alloying, were investigated with the Bi(2)Se(3) content. Whereas a p-n transition occurred at about 30 mol% Bi(2)Se(3) in Bi(2)(Te(1-x)Se(x))(3) single crystals, the hot-pressed specimens exhibited n-type conduction for all compositions of 0 less than or equal to x less than or equal to 1. Among the hot-pressed specimens, a maximum figure-of-merit of 1.92x10(-3)/K was obtained with the Bi(2)(Te(0.85)Se(0.15))(3) composition. Thermoelectric properties of the mechanically-alloyed and hot-pressed Bi(2)(Te(0.85)Se(0.15))(3) were also investigated with addition of BN powders as scattering centers.
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Collections - College of Engineering > Materials Science and Engineering Major > 1. Journal Articles
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