1. Nanoparticle Process Technology (NPPT), University of Duisburg-Essen, Duisburg 47057, Germany
2. Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Duisburg 47057, Germany
3. Collaboratory for Advanced Computing and Simulations, Department of Physics & Astronomy, Department of Computer Science, and Department of Chemical Engineering & Materials Science, University of Southern California, Los Angeles, California 90089-0242, United States