| Affiliation: | 1. Department of Physics, Zhongshan University, Guangzhou 510275, People''s Republic of China;2. Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, People''s Republic of China;3. Shanghai Institute of Metallurgy, Chinese Academy of Science, Shanghai 200083, People''s Republic of China;1. Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, PR China;2. Center for Composite Materials, Harbin Institute of Technology, Harbin 150001, PR China;1. State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Science, P.O. Box 912, Beijing 100083, PR China;2. Department of Material Science and Engineering, University of Toronto, Toronto, Ontario, Canada M5S 3E4 |
