Nonstoichiometric cerium hydride CeH9.75 stabilized by hydrogen vacancies at high pressureRemoveHao Ma, Tian Cui, Zihan Zhang, Zihao Huo, Zhengtao Liu, Qiwen Jiang, Ling Chen, Tiancheng Ma, Shumin Guo, and Defang DuanPhys. Rev. B 113, 224508 (2026)