Yan, Xiaozhi
Tan, Dayong
Ren, Xiangting
Yang, Wenge
He, Duanwei
Mao, Ho-Kwang
Funding for this research was provided by:
China 973 program (2011CB808200)
National Natural Science Foundation of China (11027405)
U.S. Department of Energy (DE-FG02-99ER45775)
U.S. Department of Energy (DE-NA0001974 and)