1. Key Laboratory of Magnetic Molecules and Magnetic Information Material of Ministry of EducationSchool of Chemistry and Material ScienceShanxi Normal University Linfen 041004 China
2. Anyang Institute of Technology Anyang 455000 China
3. Key Laboratory of Optoelectronic Materials Chemistry and PhysicsFujian Institute of Research on the Structure of MatterChinese Academy of Sciences Fuzhou Fujian 350002 China