1. School of Materials Science and Chemical Engineering, Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, People’s Republic of China
2. School of Chemistry, University Engineering Research Center of Shaanxi Province, State key laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
3. CNNC Shaanxi Uranium Enrichment Co., Ltd., Hanzhong 723312, People’s Republic of China
4. Department of Materials and Nanotechnology, SINTEF Industry, Forskningsveien 1, 0373 Oslo, Norway