Importance of the indirect exchange interaction $via$ $s$-states in altermagnetic HgMnO${}_3$

Danil A. Myakotnikov, Evgenia V. Komleva, Youwen Long +1

The electronic and magnetic properties of recently synthesized new perovskite phase of HgMnO${}_3$ are studied. By means of $ab$ $initio$ DFT calculations this material was shown to…