Rich Magnetic Phase Diagram of Putative Helimagnet Sr${}_3$Fe${}_2$O${}_7$

Nikita D. Andriushin, Justus Grumbach, Jung-Hwa Kim +14

The cubic perovskite SrFeO${}_3$ was recently reported to host hedgehog- and skyrmion-lattice phases in a highly symmetric crystal structure which does not support the Dzyaloshinskii…