1. Faculty of Engineering Bar‐Ilan University Ramat‐Gan 52900 Israel
2. Institute for Nanotechnology and Advanced Materials Bar‐Ilan University Ramat‐Gan 52900 Israel
3. Nanostructured Materials Group International Iberian Nanotechnology Laboratory Avenida Mestre José Veiga s/n Braga 4715‐330 Portugal
4. Electron Microscopy Group Defence Metallurgical Research Laboratory (DMRL) Hyderabad 500058 India
5. Department of Chemical Engineering University of Massachusetts Amherst MA 01003 USA
6. Department of Chemistry University of California Davis Davis CA 95616 USA
7. Department of Mechanical and Industrial Engineering University of Massachusetts Amherst MA 01003 USA