Yue-Tong Liu, Bai-Peng Song, Guang-Yu Sun, Xiong Yang, Wen-Tong An, Li-Yao Zhang, Fei Pang, Jia-Qi Deng, Tian-Cun Hu, Fei Li, Fa-Lun Song, Guan-Jun Zhang. "Influence of pre-existing negative surface charges on secondary electron emission avalanche evolution in vacuum surface flashover of spacecraft." Journal of Applied Physics, 2026. doi:10.1063/5.0349230