1. CAS Key Laboratory of Magnetic Materials and DevicesNingbo Institute of Materials Technology and EngineeringChinese Academy of Sciences Ningbo Zhejiang 315201 China
2. Zhejiang Province Key Laboratory of Magnetic Materials and Application TechnologyNingbo Institute of Materials Technology and EngineeringChinese Academy of Sciences Ningbo Zhejiang 315201 China
3. Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of EducationSchool of Chemistry and Materials ScienceShanxi Normal University Linfen Shanxi 041004 China