Thermoelectric properties and oxidation behaviour of Magnesium Silicide

We study the oxidation behaviour of Mg2Si and the thermoelectric properties of Mg2Si composites. Above 723 K, Mg2Si reacts with O2 in air to yield MgO and Si. Using the Johnson-Mehl-Avrami (JMA) equation, the Avrami exponent (n) is equal to ~0.5, and it depends on the reaction temperature and time;...

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Veröffentlicht in:	IOP conference series. Materials Science and Engineering 2011-05, Vol.18 (14), p.142013-4
Hauptverfasser:	Tani, J, Takahashi, M, Kido, H
Format:	Artikel
Sprache:	eng
Schlagworte:	Additives Aluminum oxide ANNEALING PROCESSES Antimony trioxide Avrami equation Bismuth oxides Bismuth trioxide Composite materials COMPOSITES COPPER OXIDE CUPRIC OXIDE Diffusion layers Disilicides ELECTRICAL PROPERTIES Gallium oxides Impurities Indium oxides INTERMETALLIC COMPOUNDS Intermetallics Iron silicide Magnesium Magnesium compounds Magnetron sputtering Metal oxides Metal silicides Oxidation Oxidation resistance Reduction (metal working) SEMICONDUCTORS SILICIDES Silicon Sodium carbonate Thermoelectricity Yttrium oxide
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