Liu, Shaoqing
Chen, Min
Zhuang, Qianlai
Funding for this research was provided by:
National Aeronautics and Space Administration (NASA-NNX09A126G)
U.S. Department of Energy (DE-FG02-08ER64599)
National Science Foundation (NSF-0919331, NSF-0630319)
National Science Foundation (IIS-1028291)
Article History
Received: 5 October 2015
Accepted: 14 January 2016
First Online: 29 January 2016