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, ‡,}

Dependence of the sublattice magnetization components (M_a and M_b) of Sm²⁺ ion on magnetic field (a) H ∥ a and (b) H ∥ c in SmFeAsO.