Project supported by the Ministry of Science and Technology of China(No.2011CB932403);the National Natural Science Foundation of China(Nos.21131005,21021061,20925103,20923004);the Fok Ying Tung Education Foundation(No.121011)~~
Project supported by the National Natural Science Foundation of China(20877048,50701018);National Basic Research Programme(973) of China(2008CB417206);Excellent Scientist Fund in Hubei province(2005ABB030);Shanghai Nano-project(0952nm06600)