Collinear order and chirality-reorientation transition in the Cairo pentagonal magnet Bi${}_4$Fe${}_5$O${}_{13}$F

Alexander A. Tsirlin, Ioannis Rousochatzakis, Dmitry Filimonov +3

We show that interlayer spins play a dual role in the Cairo pentagonal magnet Bi${}_4$Fe${}_5$O${}_{13}$F, on one hand mediating the three-dimensional (3D) magnetic order and on the othe…