Patent ID: 9559280
Date: 2017-01-31
CPC Classifications: H01L

Claim:
1. A thermoelectric conversion device comprising: at least one single thermoelectric conversion device, each at least one single thermoelectric conversion device including: a Heusler alloy film; a pair of electrodes on the Heusler alloy film at a predetermined distance therebetween to output an electromotive force generated by a thermal gradient in the Heusler alloy film; an insulation film on the Heusler alloy film; a gate electrode on the Heusler alloy film configured to apply an electric field or a voltage to the Heusler alloy film through the insulation film; a buffer layer, wherein the buffer layer comprises Ta, Ru, Ti or Zr; a seed layer on the buffer layer, wherein the seed layer comprises V, Cr, W, MgO or MgZnO; and wherein the Heusler alloy film has a crystal structure of L