Lai Wei, Chen-Min Dai, Jie Qiu, Ju Gao, Chunlan Ma, Jiacheng Shi, Rui Chen, Jeffrey Xu, Lin Wang, Guozhen Liu, Yucheng Jiang. "Calcium doping-induced metal–insulator transition in SrTiO3-based two-dimensional electron gas." Applied Physics Letters (2025). https://doi.org/10.1063/5.0274619