Orbital Selective Magnetism in the Spin-Ladder Iron Selenides Ba${}_{1-x}$K${}_x$Fe${}_2$Se${}_3$

J. M. Caron, J. R. Neilson, D. C. Miller +3

Here we show that the 2.80(8) μB/Fe block antiferromagnetic order of BaFe2Se3 transforms into stripe antiferromagnetic order in KFe2Se3 with a decrease in moment to 2.1(1) μB/Fe. T…