[1] Minjiang Univ, Coll Mat & Chem Engn, Ctr Adv Marine Mat & Smart Sensors, Fujian Key Lab Funct Marine Sensing Mat, Fuzhou 350108, Peoples R China
[2] Huaiyin Inst Technol, Dept Phys, Huaian 223003, Peoples R China
[3] Chinese Acad Sci, Key Lab Magnet Mat & Devices, Ningbo 315201, Peoples R China
[4] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Prov Key Lab Magnet Mat & Applicat Techno, Ningbo 315201, Peoples R China