Enhanced low-temperature proton conductivity in hydrogen-intercalated brownmillerite oxide

Nianpeng Lu, Zhuo Zhang, Yujia Wang, Hao‐Bo Li, Shuang Qiao, Bo Zhao, Qing He, Sicheng Lu, Cong Li, Yongshun Wu, Mingtong Zhu, Xiangyu Lyu, Xiaokun Chen, Zhuolu Li, Meng Wang, Jingzhao Zhang, Sze Chun Tsang, Jingwen Guo, Shuzhen Yang, Jianbing Zhang, Ke Deng, Ding Zhang, Jing Ma, Jun Ren, Yang Wu, Junyi Zhu, Shuyun Zhou, Yoshinori Tokura, Ce‐Wen Nan, Jian Wu, Pu Yu