Pb-ge-te-compounds for thermoelectric generators or peltier...

Details Pb-ge-te-compounds for thermoelectric generators or peltier... Pb-ge-te-compounds for thermoelectric generators or peltier...

H - Electricity

01

L

H01L 35/16 (2006.01) H01L 35/22 (2006.01)

Patent

CA 2521778

A thermoelectrically active p- or n-conductive semiconductor material is constituted by a ternary compound of the general formula (Pb1-xGex)Te with x value from 0.16 to 0.5, wherein 0 to 10% by weight of the ternary compound may be replaced by other metals or metal compounds, wherein the semiconductor material has a Seebeck coefficient of at least .plusmn.200 ~V/K at a temperature of 25 ~C.

L'invention concerne un matériau semiconducteur p- ou n-conducteur thermoélectriquement actif constitué d'un composé ternaire de formule générale (I): (Pb¿1-x?Ge¿x?)Te présentant une valeur x comprise entre 0,16 et 0,5. Dans ledit matériau, 0 à 10 % en poids du composé ternaire peuvent être remplacés par d'autres métaux ou composés métalliques. Le matériau semiconducteur de l'invention présente un coefficient de Seebeck d'au moins .plusmn.200 ?V/K à une température de 25 ·C.

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