CAN v3i1 2020.pdf Characterization and Application of Nanomaterials (2020) Volume 3 Issue 1 Original research Article *Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, Gansu province, China. *E-mail: pengshl@lzu.edu.cn. E-mail: zhangjch@lzu.edu.cn Keywords: et al. et al. et al. et al. et al. II I I I et al. et al. et al. et al et al. et al. et al. et al. et al. et al. et al. et al et al et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al. et al.