Nie, Hua
Hsu, Sze-Bi
Grover, J. P.
Funding for this research was provided by:
the Natural Science Foundation of China (11001160, 11271236)
the Program of NCET in University of MOE of China (NCET-12-0894)
the Shaanxi New-star Plan of Science and Technology (2015KJXX-21)
the Fundamental Research Funds for the Central Universities (GK201303008)