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Introduction of Metal Oxides into Mg2Si Thermoelectric Materials by Spark Plasma Sintering
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2013 (English)In: Journal of Electronic Materials, ISSN 0361-5235, E-ISSN 1543-186X, Vol. 42, no 7, 2062-2066 p.Article in journal (Refereed) Published
Abstract [en]

Oxide incorporation into thermoelectric Mg2Si-based materials was performed starting from commercial Mg2Si and commercial metal oxides by applying ball milling and spark plasma sintering (SPS) processing. The SPS conditions, such as sintering temperature, pressure, and holding time, were optimized with the aim of obtaining both full densification and oxide incorporation. Thermoelectric characterizations, such as Seebeck coefficient and electrical and thermal conductivity, were carried out and related to the pellet compositions. The morphology, composition, and crystallographic structure of the samples were characterized by field-emission scanning electron microscopy, energy-dispersive spectrometry, and x-ray diffraction analyses, respectively.

Place, publisher, year, edition, pages
2013. Vol. 42, no 7, 2062-2066 p.
Keyword [en]
Magnesium silicide, oxide incorporation, thermoelectricity
National Category
Chemical Sciences
URN: urn:nbn:se:su:diva-92638DOI: 10.1007/s11664-013-2522-2ISI: 000320890800124OAI: diva2:641667


Available from: 2013-08-19 Created: 2013-08-14 Last updated: 2013-08-19Bibliographically approved

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Stingaciu, MarianJohnsson, Mats
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Department of Materials and Environmental Chemistry (MMK)
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