What is the valence of Mn in Ga${}_{1-x}$Mn${}_x$N?

Ryky Nelson, Tom Berlijn, Juana Moreno +2

We investigate the current debate on the Mn valence in Ga${}_{1-x}$Mn${}_x$N, a diluted magnetic semiconductor (DMSs) with a potentially high Curie temperature. From a first-principles…