DFT MAE on the two Cu2Sb-type P4/nmm Gate 2 candidates. Mn2Sb FAILS 0.163 MJ/m^3 (c-axis easy, Ms 844 kA/m); KMnP PASSES 0.513 MJ/m^3 (in-plane easy, Ms 452 kA/m). MAE ranking inverts Curie T ranking.
DFT MAE on the two Cu2Sb-type P4/nmm Gate 2 candidates. Mn2Sb FAILS 0.163 MJ/m^3 (c-axis easy, Ms 844 kA/m); KMnP PASSES 0.513 MJ/m^3 (in-plane easy, Ms 452 kA/m). MAE ranking inverts Curie T ranking.