1. The Ultrafast electron Imaging Laboratory (UeIL), University of Waterloo , Waterloo, ON , Canada
2. Department of Chemistry, University of Waterloo , Waterloo, ON , Canada
3. Waterloo Institute for Nanotechnology (WIN), University of Waterloo , Waterloo, ON , Canada
4. The Canadian Centre for Electron Microscopy (CCEM), McMaster University , Hamilton, ON , Canada