Ferroelectric control of magnetism, valley polarization, and skyrmions in monolayer TcIrGe2Se6RemoveRuixiao Ma, Zhangtong Ying, Zirui Zhang, Qiuyao Zhang, Xinyuan Guan, Shiwei Zhu, Xiaoping Wu, and Changsheng SongPhys. Rev. B 114, 194402 (2026)