Microstructure engineering design for thermoelectric materials : an approach to minimize thermal diffusivity
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en
Article de revue
Este ítem está publicado en
Chemistry of Materials. 2010, vol. 22, n° 3, p. 988-993
American Chemical Society
Resumen en inglés
An alloy engineering approach aiming to produce a fine two-phase mixture thermoelectric material is highlighted in order to reduce the thermal diffusivity. We utilized the spinodal decomposition in the PbTe-GeTe quasi-binary ...Leer más >
An alloy engineering approach aiming to produce a fine two-phase mixture thermoelectric material is highlighted in order to reduce the thermal diffusivity. We utilized the spinodal decomposition in the PbTe-GeTe quasi-binary system to control the alloy microstructure through solutioning, quenching and aging treatments. The effect of various microstructural states on the thermal diffusivity is analyzed. It is observed that a minimum in thermal diffusivity is obtained when several microstructural contributions are combined.< Leer menos
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