Oscillatory redox behavior in oxides: Cyclic surface reconstruction and reactivity modulation via the Mars–van Krevelen mechanism - Xianhu Sun; Dongxiang Wu; Jianyu Wang; Shyam B. Patel; Wenhui Zhu; Ji Yang; Timothy T. Yang; Shuonan Ye; Xiaobo Chen; Yaguang Zhu; Linna Qiao; Meng Li; et al. (Proceedings of the National Academy of Sciences, 2025)