Interplay of iron and rare-earth magnetic order in rare-earth iron pnictide superconductors under magnetic field

Yang Lei-Lei¹, Liu Da-Yong^{1, †,}, Chen Dong-Meng², Zou Liang-Jian^{1, 3, ‡,}

Total magnetization dependence on magnetic field (a) H ∥ a and (b) H ∥ c in EuFe₂As₂. The left and right insets in panel (a) present the spin-flop transition, and the inset in panel (b) corresponds a successive AFM–FM transition.