P-type thermoelectric materials, a process for their manufacture and uses thereof
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United States of America Patent
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Aug 23, 2011
Grant Date -
Sep 17, 2009
app pub date -
May 31, 2006
filing date -
May 31, 2005
priority date (Note) -
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Abstract
, wherein part of the Zn atoms optionally being substituted by one or more elements selected from the group comprising Sn, Mg, Pb and the transition metals in a total amount of 20 mol % or less in relation to the Zn atoms is provided by a process involving zone-melting of a an arrangement comprising an interphase between a “stoichiometric” material having the desired composition and a “non-stoichiometric” material having a composition deviating from the desired composition. The thermoelectric materials obtained exhibit excellent figure of merits.
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