1. Department of Chemical EngineeringWaterloo Institute of NanotechnologyUniversity of Waterloo 200 University Ave West Waterloo Ontario N2L 3G1 Canada
2. School of Chemical Engineering and TechnologyHebei University of Technology Tianjin 300130 China
3. Department of Material Science EngineeringMcmaster University 1280 Main Street West Hamilton Ontario L8S 4L8 Canada
4. The State Key Laboratory of Refractories and MetallurgyWuhan University of Science and Technology 947 Heping Avenue Wuhan 430081 China