Seungwu Han, Luis A. Zepeda-Ruiz, Graeme J. Ackland, Roberto Car, and David J. Srolovitz Princeton Materials Institute, Princeton University, Princeton, New Jersey 08544 Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544 Department of Chemistry, Princeton University, Princeton, New Jersey 08544 Department of Physics and Astronomy, University of...