4.7 Article

Thermoelectric properties of textured p-type (Bi,Sb)2Te3 fabricated by spark plasma sintering

Journal

SCRIPTA MATERIALIA
Volume 52, Issue 5, Pages 347-351

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2004.10.038

Keywords

(Bi,Sb)(2)Te-3; thermoelectric properties; spark plasma sintering

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Textured p-type (Bi,Sb)(2)Te-3 has been fabricated through zone melting and spark plasma sintering (SPS) techniques. The optimal figure of merit (ZT) of the sintered materials reached 1.15, which was about 115% of that of the zone-melted ingot material. The bending strength was greatly improved (from about 10 to 80MPa). (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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