Abstract:Ternary intermetallic half-Heusler (HH) compounds (XYZ) with 18 valence electron count viz. ZrCoSb, ZrNiSn, and ZrPdSn, have revealed promising thermoelectric properties. Exemplarily, it has been experimentally observed that a slight change in the content of Y-site atoms (by ∼3-12.5 % i.e., m =0.03, 0.125 in ZrY 1+m Z) leads to drastic lowering in the lattice thermal conductivity κ L by more than 65-80 % in many of these compounds. The present work aims at exploring the possibility of maximizing the electronic… Show more
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