1. Wuhan University,The Institute of Technological Sciences,Wuhan,China
2. Technology and Research(A*STAR),Institute of Materials Research and Engineering, Agency for Science,Singapore
3. Wuhan University,School of Microelectronics,Wuhan,China
4. Wuhan University,School of Physics and Technology,Wuhan,China
5. The Hubei Yangtze Memory Laboratories,Wuhan,China
6. Wuhan University,The Institute of Technological Science,Wuhan,China