Title :
Design, synthesis and characterization of graded n-type PbTe
Author :
Gelbstein, Y. ; Dashevsky, Z. ; Dariel, M.P.
Author_Institution :
Dept. of Mater. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel
Abstract :
The processing steps involved in the manufacture of functionally graded materials (FGM) based on PbI2-doped PbTe, by means of a powder metallurgy approach, are currently being investigated in order to improve the thermoefficiency up to 800 K. This article describes the latest progress in this research. It includes design, synthesis and characterization procedures for achieving graded samples with an optimal power-factor envelope.
Keywords :
IV-VI semiconductors; Seebeck effect; functionally graded materials; lead compounds; powder metallurgy; 800 K; FGM; PbI2-doped PbTe; PbTe:PbI2; functionally graded materials; graded n-type PbTe; optimal power-factor envelope; powder metallurgy; synthesis; thermoefficiency; Compaction; Composite materials; Electric resistance; Equations; Inorganic materials; Manufacturing processes; Powders; Temperature dependence; Temperature distribution; Thermal conductivity;
Conference_Titel :
Thermoelectrics, 2002. Proceedings ICT '02. Twenty-First International Conference on
Print_ISBN :
0-7803-7683-8
DOI :
10.1109/ICT.2002.1190253
