1. Department
of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
2. National Institution for Nanotechnology, National Research Council, Edmonton, Alberta T6G 2M9, Canada
3. National
Engineering Laboratory for Green Chemical Productions of Alcohols-Ethers-Esters,
College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China
4. Department
of Physics, University of Changji, Changji, Xinjiang 831100, P. R. China
5. Canmet MATERIALS, Natural Resources Canada, Hamilton, Ontario L8P
0A5, Canada
6. School of
Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, P. R. China