Fig. 4: The thermoelectric and power generation performance of the Ti1-x-y-zNbxTayHfzCoSb single crystals.
From: Superior electron transport in the single-crystalline TiCoSb-based half-Heuslers
a Temperature-dependent zT, b the comparison of the average zT (zTavg) between this single crystalline TiCoSb-based materials and the other polycrystalline MCoSb-based (M = Ti, Zr, Hf) and ZrCoBi-based half-Heuslers16,38,39,40,41,42,43. c The current-dependent output voltage, d output power, and e energy conversion efficiency of the Ti0.76Nb0.03Ta0.05Hf0.19CoSb single leg. f Comparison of the energy conversion efficiency between the Ti0.76Nb0.03Ta0.05Hf0.19CoSb single leg and other half-Heusler-based single legs41,42.
