1. Hubei Key Laboratory of Mineral Resources Processing and Environment; State Key Laboratory of Silicate Materials for Architectures; Wuhan University of Technology; 122 Luoshi Road Wuhan 430070 People's Republic of China
2. Hubei Nuclear Solid Physics Key Laboratory; Department of Physics; Wuhan University; Wuhan 430072 People's Republic of China
3. SSRL; SLAC National Accelerator Laboratory; Stanford University; Menlo Park California 94025 USA