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Issue 42, 2013
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SPS-assisted preparation of the Magnéli phase WO2.90 for thermoelectric applications

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Abstract

We describe the preparation and simultaneous consolidation of WO2.90 by spark plasma sintering (SPS). SPS allows for the direct manufacturing of large amounts of consolidated material. Synchrotron powder X-ray diffraction indicates that the material is single phase. Microstructure analysis indicates that the pellet is fully dense, allowing high-temperature thermoelectric properties to be reliably measured. The as-prepared samples of WO2.90 reach a ZT of 0.1 at 1100 K.

Graphical abstract: SPS-assisted preparation of the Magnéli phase WO2.90 for thermoelectric applications

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Publication details

The article was received on 02 Jun 2013, accepted on 30 Jul 2013 and first published on 07 Aug 2013


Article type: Communication
DOI: 10.1039/C3TA12145C
J. Mater. Chem. A, 2013,1, 13050-13054

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    SPS-assisted preparation of the Magnéli phase WO2.90 for thermoelectric applications

    G. Kieslich, C. S. Birkel, J. E. Douglas, M. Gaultois, I. Veremchuk, R. Seshadri, G. D. Stucky, Y. Grin and W. Tremel, J. Mater. Chem. A, 2013, 1, 13050
    DOI: 10.1039/C3TA12145C

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