Affiliation: | 1. School of Resources Environmental & Chemical Engineering, Nanchang University, Nanchang 330031, China;2. Institute for Advanced Study, Nanchang University, Nanchang 330031, China;3. Dept. of Physics, North Carolina Central University, Durham, NC 27707, United States;4. Dept. of Chemistry and Biochemistry, North Carolina Central University, Durham, NC 27707, United States |