1. Center for Nanophase Materials Sciences Oak Ridge National Laboratory Oak Ridge TN 37831 USA
2. Institute of Physics National Academy of Science of Ukraine pr. Nauki 46 Kyiv 03028 Ukraine
3. Institute for Problems of Materials Science National Academy of Science of Ukraine Krjijanovskogo 3 Kyiv 03142 Ukraine
4. National Institute for Computational Sciences Oak Ridge National Laboratory Oak Ridge TN 37831 USA
5. Joint Institute for Computational Sciences University of Tennessee Knoxville TN 37996 USA
6. Department of Mechanical Engineering The Pennsylvania State University University Park PA 16802 USA