Yuan Duan-Lei, Min Dao-Min, Huang Yin, Xie Dong-Ri, Wang Hai-Yan, Yang Fang, Zhu Zhi-Hao, Fei Xiang, Li Sheng-Tao. Influence of filler content on trap and space charge properties of epoxy resin nanocompositesJ. Acta Physica Sinica, 2017, 66(9): 097701. DOI: 10.7498/aps.66.097701