Stoichiometry-controlled structural order and tunable antiferromagnetism in FexNbSe2 (0.05≤x≤0.38)RemoveXiaotong Xu, Bei Jiang, Runze Wang, Zhibin Qiu, Shu Guo, Baiqing Lv, and Ruidan ZhongPhys. Rev. B 113, 134420 (2026)