1. State Key Laboratory of Environment-friendly Energy Materials, School of National Defense Science and Technology, School of Life Science and Engineering, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Southwest University of Science and Technology, Mianyang, 621010, PR China
2. CNNC Lanzhou Uranium Enrichment Co., Ltd., Lanzhou, 730065, PR China
3. Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621900, PR China