Distortion mode anomalies in bulk PrNiO${}_3$ illustrating the potential of symmetry-adapted distortion mode analysis for the study of phase transitions

D. J. Gawryluk, Y. M. Klein, T. Shang +7

The origin of the metal-to-insulator transition in RNiO3 perovskites with trivalent 4f ion has challenged the condensed matter research community for almost three decades. A drawba…