Comparison of structures of Bi0.5Sb1.5Te3 thermoelectric materials, obtained by the hot-pressing and spark plasma sintering methods

Comparison of structures of Bi0.5Sb1.5Te3 thermoelectric materials, obtained by the hot-pressing... A comparative analysis of structures of compact samples of Bi0.5Sb1.5Te3 thermoelectric materials, obtained by the spark plasma sintering (SPS) and traditional hot-pressing methods, was performed by the X-ray diffractometry and scanning electron microscopy methods. It is shown that the spark plasma sintering method failed to obtain structure sizes smaller than the hot-pressing method. However, the sintering quality, characterized by the absence of pores and cracks, and sizes of fragments of the fractured surface, is higher at comparable temperatures in the samples obtained by the SPS-method. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Microelectronics Springer Journals

Comparison of structures of Bi0.5Sb1.5Te3 thermoelectric materials, obtained by the hot-pressing and spark plasma sintering methods

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Engineering; Electrical Engineering
ISSN
1063-7397
eISSN
1608-3415
D.O.I.
10.1134/S1063739712080057
Publisher site
See Article on Publisher Site

Abstract

A comparative analysis of structures of compact samples of Bi0.5Sb1.5Te3 thermoelectric materials, obtained by the spark plasma sintering (SPS) and traditional hot-pressing methods, was performed by the X-ray diffractometry and scanning electron microscopy methods. It is shown that the spark plasma sintering method failed to obtain structure sizes smaller than the hot-pressing method. However, the sintering quality, characterized by the absence of pores and cracks, and sizes of fragments of the fractured surface, is higher at comparable temperatures in the samples obtained by the SPS-method.

Journal

Russian MicroelectronicsSpringer Journals

Published: Nov 17, 2012

References

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