1. School of Material Science and Engineering, International S&T Cooperation Foundation of Shaanxi Province, Xi’an Key Laboratory of Green Manufacture of Ceramic Materials, Shaanxi University of Science and Technology, Weiyang University Campus, Xi’an 710021, China
2. Research Laboratory of Hydrothermal Chemistry, Faculty of Science and Technology, Kochi University 2-5-1, Akebono-cho, Kochi 780-8520, Japan