1. Department
of Nanochemistry, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
2. Gatan, Inc., 5794 W Las Positas
Boulevard, Pleasanton, California 94588, United States
3. Department
of Materials Science and Engineering, McMaster University, Hamilton, Ontario L8S 4L8, Canada
4. FEI Electron Optics, Achtseweg
Noord 5, Eindhoven 5600
KA, The Netherlands
5. Chemistry
Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States