1. Institute of Atomic and Molecular Physics, Jilin University, Changchun130012, China
2. Department of Medical Technology, Qiqihar Medical University, Qiqihar 161003, China
3. Department of Chemistry and Nanomaterials Science, Bohdan Khmelnytsky National University, Cherkasy 18031,Ukraine
4. Department of Physics and Astronomy, Uppsala University, Uppsala 752 36,Sweden