基金Supported by the National Natural Science Foundation ofChina ( No .60376003)Guangdong Province's KeystoneBreakthrough Program ( No .ZB2003A07) Shen ZhenScience and technology Program(Grant No .2002-K1-65)
基金Supported by the National Natural Science Foundation ofChina ( No . 60025516 , No . 10334100 , and No .60138010 )the Innovation Project of the ChineseAcademy of Sciences ,K.C.Wong Post-doctoral ResearchAward ( No .40 )partly supported by NationalCenter for Nanoscience and Technology
