Funding for this research was provided by:
National Science Foundation (NSF-CAREER-CNS-1453647)
U.S. Department of Energy (US DOE DE-OE0000779)
National Science Foundation (US NSF-REU-CNS-1461119)
Article History
Received: 26 January 2017
Accepted: 18 August 2017
First Online: 21 September 2017