Fractional-unit-cell-doped spinel/perovskite oxide interfaces with switchable carrier conduction. - Gan, Yulin; Zhang, Yu; Jiang, Sicong; Zhang, Hongrui; Guan, Xiangxiang; Yan, Lei; Hu, Fengxia; Yu, Richeng; Sun, Jirong; Ding, Hong; Yang, Kesong; Chen, Yunzhong; et al. (Applied Physics Letters, 2022)