THERMOELECTRIC PROPERTIES OF P-TYPE ANTIMONY BISMUTH TELLURIDE ALLOYSPREPARED BY COLD PRESSING

Authors
NAVRATIL J STARY Z PLECHACEK T
Citation
J. Navratil et al., THERMOELECTRIC PROPERTIES OF P-TYPE ANTIMONY BISMUTH TELLURIDE ALLOYSPREPARED BY COLD PRESSING, Materials research bulletin, 31(12), 1996, pp. 1559-1566
Citations number
7
Categorie Soggetti
Material Science
Journal title
Materials research bulletin → ACNP
ISSN journal
00255408
Volume
31
Issue
12
Year of publication
1996
Pages
1559 - 1566
Database
ISI
SICI code
0025-5408(1996)31:12<1559:TPOPAB>2.0.ZU;2-2
Abstract
Sb2-xBixTe3 (x = 0.43-0.51) thermoelectric materials were prepared by the powder metallurgy method. The effects of grinding and sintering pr ocesses on the Seebeck coefficient, electrical conductivity, and therm oelectric figure of merit were investigated. For different particle si zes, a shift in maximum of Z = f(x) dependence was found. This shift c an be explained by the presence of point defects and their interaction . Cold-pressed material with Z similar to 3.1 x 10(-3) K-1 was prepare d.