1. Division of Engineering and Applied Science, California Institute of Technology, 1200 East California Boulevard, MC 309-81, Pasadena, California 91125-8100, United States
2. Center for Materials Simulations and Design, Graduate School of EEWS, Korea Advanced Institute of Science and Technology, Daejeon, Korea
3. Materials and Process Simulation Center, California Institute of Technology, 1200 East California Boulevard, MC 309-81, Pasadena, California 91125-8100, United States