Fig. 8
From: Insights into the design of thermoelectric Mg3Sb2 and its analogs by combining theory and experiment
a, b Defect formation energies of intrinsic point defects as well as the extrinsic defect TeSb under a Sb-excess (\(\Delta \mu _{{\mathrm{Sb}}}{\mathrm{ = 0}}\)) and b Mg-excess (\(\Delta \mu _{{\mathrm{Mg}}}{\mathrm{ = 0}}\)) conditions. Figure is adapted with permission from ref. 61, Elsevier
