1. Shanghai Key Laboratory of Magnetic Resonance School of Physics and Electronic Science East China Normal University Shanghai 200241 China
2. School of Materials Science and Engineering Qingdao University of Science and Technology Qingdao Shandong 266042 China
3. Marine Science and Technology College Zhejiang Ocean University Zhoushan Zhejiang 316022 China
4. School of Materials and Chemistry University of Shanghai for Science and Technology Shanghai 200093 China
5. School of Physics and Electronic Science East China Normal University Shanghai 200241 China
6. School of Chemistry and Chemical Engineering Yangzhou University Yangzhou Jiangsu 225002 China