METAL MATERIAL HAVING n-TYPE THERMOELECTRIC CONVERSION PERFORMANCE
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Aug 13, 2015
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Aug 26, 2013
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Sep 4, 2012
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Abstract
The present invention provides a metal material represented by compositional formula MnxMySimAln wherein M is at least one element selected from the group consisting of Ti, V, Cr, Fe, Co, Ni, and Cu; and 2.0≦x≦3.5, 0≦y≦1.4, 2.5≦x+y≦3.5, 3.5≦m≦4.5, and 1.5≦n≦2.49, the metal material having a negative Seebeck coefficient and an electrical resistivity of 2 mΩ·cm or less at a temperature of 25° C. or more, the metal material being in a crystalline form. The present invention provides a novel material useful as an n-type thermoelectric conversion material exhibiting favorable thermoelectric conversion performance in the intermediate temperature range and excellent durability.
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