Impact of Different Conditions of Technological Process on Thermoelectric Properties of Fine-Grained PbTe

• Authors: A. Królicka , A. Materna , M. Piersa , A. Mirowska
• Languages of publication: EN

Abstracts

EN

The aim of this work was to obtain PbTe material in the desired way in order to control the combined impact of lattice disorder, nanoscale precipitates and reduced grain sizes on the thermoelectric properties of this material. To achieve this, PbTe ingot doped with Ag was obtained by the Bridgman method, followed by ball-milling, cold pressing and sintering. In order to estimate crystallites diameters grain size measurements were carried out using the optical microscopy. Studies of electrical and thermoelectric properties of fine-grained material were performed. In order to analyze the morphology and the composition scanning electron microscopy and energy-dispersive X-ray spectroscopy were performed. Energy-dispersive X-ray spectroscopy analysis also revealed presence of Ag-Te precipitates.

Keywords

EN

81.10.Fq; 73.20.Hb; 81.20.Wk; 81.20.Ev

Discipline

• 81.20.Wk: Machining, milling
• 73.20.Hb: Impurity and defect levels; energy states of adsorbed species
• 81.10.Fq: Growth from melts; zone melting and refining
• 81.20.Ev: Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 130
• Issue: 5
• Pages: 1255-1258

Dates

published

2016-11

Contributors

author

A. Królicka

• Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warsaw, Poland

author

A. Materna

• Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warsaw, Poland

author

M. Piersa

• Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warsaw, Poland

author

A. Mirowska

• Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warsaw, Poland

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Identifiers

DOI

10.12693/APhysPolA.130.1255