Bai Chun-Jiang, Feng Guo-Bao, Cui Wan-Zhao, He Yong-Ning, Zhang Wen, Hu Shao-Guang, Ye Ming, Hu Tian-Cun, Huang Guang-Sun, Wang Qi. Suppressing second electron yield based on porous anodic aluminaJ. Acta Physica Sinica, 2018, 67(3): 037902. DOI: 10.7498/aps.67.20172243