Annealing effects on powder metallurgy based Pb1-xSn xTe materials for thermoelectric applications

Y. Gelbstein; Z. Dashevsky; R. Kreizman; Y. George; M. Gelbstein; M. P. Dariel

doi:10.4028/0-87849-410-3.860

Annealing effects on powder metallurgy based Pb_1-xSn _xTe materials for thermoelectric applications

Y. Gelbstein, Z. Dashevsky, R. Kreizman, Y. George, M. Gelbstein, M. P. Dariel

Department of Materials Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Lead tin telluride based alloys are known p-type materials for thermoelectric applications, in the 50-600°C temperature range. These alloys combine desired features of mechanical and thermoelectric properties. The electronic transport properties of PbTe and Pb_1-xSn_xTe materials may be strongly dependent on the preparation technique. Powder metallurgy process is known to introduce defects and strains, that may alter carrier concentration. Under such non-equilibrium conditions the thermoelectric properties are instable at the operating temperature. An appropriate annealing treatment can eliminate this effect.. The present communication describes the annealing treatment applied to cold compacted and sintered Pb _1-xSnx́Te materials.

Original language	English
Pages (from-to)	860-863
Number of pages	4
Journal	Key Engineering Materials
Volume	336-338 I
DOIs	https://doi.org/10.4028/0-87849-410-3.860
State	Published - 1 Jan 2007

Keywords

Cold compaction
PbSnTe
Powder metallurgy
Thermoelectric

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

Access to Document

10.4028/0-87849-410-3.860

Cite this

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abstract = "Lead tin telluride based alloys are known p-type materials for thermoelectric applications, in the 50-600°C temperature range. These alloys combine desired features of mechanical and thermoelectric properties. The electronic transport properties of PbTe and Pb1-xSnxTe materials may be strongly dependent on the preparation technique. Powder metallurgy process is known to introduce defects and strains, that may alter carrier concentration. Under such non-equilibrium conditions the thermoelectric properties are instable at the operating temperature. An appropriate annealing treatment can eliminate this effect.. The present communication describes the annealing treatment applied to cold compacted and sintered Pb 1-xSn{\'x}Te materials.",

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AU - Gelbstein, M.

AU - Dariel, M. P.

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AB - Lead tin telluride based alloys are known p-type materials for thermoelectric applications, in the 50-600°C temperature range. These alloys combine desired features of mechanical and thermoelectric properties. The electronic transport properties of PbTe and Pb1-xSnxTe materials may be strongly dependent on the preparation technique. Powder metallurgy process is known to introduce defects and strains, that may alter carrier concentration. Under such non-equilibrium conditions the thermoelectric properties are instable at the operating temperature. An appropriate annealing treatment can eliminate this effect.. The present communication describes the annealing treatment applied to cold compacted and sintered Pb 1-xSnx́Te materials.

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