School of Physics and Electronics Hunan University Changsha 410082 Hunan China;
Institute for Superconducting and Electronic Materials (ISEM) School of Mechanical Materials Mechatronics & Biomedical Engineering Faculty of Engineering and Information Sciences University of Wollongong NSW 2500 Australia;
Key Laboratory of Materials Processing and Mold (Zhengzhou University) Ministry of Education Zhengzhou University Zhengzhou 450002 Henan China;
School of Physics and Electronics Hunan University Changsha 410082 Hunan China;