1. Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China
2. College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, People’s Republic of China
3. Key Laboratory for Gynecologic Oncology, Department of Obstetrics and Gynecology, The First Hospital of Lanzhou University Lanzhou 730000, People’s Republic of China