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 Research supported by: Oak Ridge National Laboratory's Center for Nanophase Materials Sciences (CNMS), which is sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy, by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for the U. S. Department of Energy, and by Division of Materials Sciences and Engineering Division, Office of Basic Energy Sciences, U.S. DOE. This study used the resources of the Oak Ridge Leadership Computing Facility at the Oak Ridge National Laboratory, and analysis under support of applied mathematics program at the DOE..