1. The State Key Lab of High Performance Ceramics and Superfine Microstructure; Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai China
2. Metals and Materials Engineering Department; McGill University; Montreal Quebec Canada
3. Key Laboratory of Materials Physics; Institute of Solid State Physics; Chinese Academy of Science; Hefei Anhui China
4. Department of Physics; Kohat University of Science and Technology (KUST); Kohat Pakistan