作者机构:[1]State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University Haugzhou 310027, China
相关基金:Acknowledgements The work was supported by the National High Technology Research and Development Program of China ("863 Program", No. 2007AA03Z234), the National Basic Research Program of China (No. 2007CB607502) and the National Natural Science Foundation of China (No. 50601022).