Institution: | 1. Department of Materials Science and Engineering, University of California Los Angeles, Los Angeles, CA 90095, USA;2. Department of Mathematics and Institute for Pure and Applied Mathematics, University of California Los Angeles, Los Angeles, CA 90095, USA;3. Department of Materials Science and Engineering, University of California Berkeley, Berkeley, CA 94720, USA;4. Lawrence Berkeley National Laboratory, National Center for Electron Microscopy, Berkeley, CA 94720, USA |