作者机构:[1]School of Materials Science and Engineering, Harbin Institute of Technology, P.O. Box 428, Harbin 150001, China, [2]Graduate School of Environmental Studies, Tohoku University, 02 Aobayama, Sendai 980-8579, Japan, [3]Department of Materials Science and Engineering,Harbin University of Science and Technology, P.O. Box 90, Harbin 150080, China
相关基金:The study was supported by the National Natural Science Foundation of China (50771041) and NCET 05-0350.