1. Department of Chemical and Materials Engineering, University of Alberta, 12th Floor − Donadeo Innovation Centre for Engineering (ICE), 9211-116 Street NW, Edmonton, Alberta, Canada T6G 1H9
2. National Research Council−Nanotechnology Research Centre, 11421 Saskatchewan Dr., Edmonton, Alberta, Canada T6G 2M9
3. Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1