| Affiliation: | 1. Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, National Center for Nanoscience and Technology (NCNST), Beijing, P. R. China;2. Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China;3. Chongqing University of Science and Technology, Chongqing, P. R. China;4. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA |
