Magnetic States of the Two-Leg Ladder Alkali Metal Iron Selenides $A$Fe${}_2$Se${}_3$

Qinlong Luo, Andrew Nicholson, Julián Rincón +8

Recent neutron scattering experiments addressing the magnetic state of the two-leg ladder selenide compound BaFe${}_2$Se${}_3$ have unveiled a dominant spin arrangement involving ferro…