Kolev, Tzanio V.
Xu, Jinchao
Zhu, Yunrong
Funding for this research was provided by:
National Science Foundation (DMS 1319110)
U.S. Department of Energy (DE-AC52-07NA27344)
National Science Foundation (DMS 1217142)
U.S. Department of Energy (DE-SC0009249)
Article History
Received: 25 November 2014
Revised: 16 June 2015
Accepted: 10 August 2015
First Online: 23 August 2015