Structure and Magnetic Properties of Sputtered Bi2 DyFe5 O12 Films
GU Benxi, ZHANG Hongyan, ZHAI Hongru, LU Mu, MIAO Yongzhi
Department of Physics, Nanjing University, Nanjing 210008
Structure and Magnetic Properties of Sputtered Bi2 DyFe5 O12 Films
GU Benxi;ZHANG Hongyan;ZHAI Hongru;LU Mu;MIAO Yongzhi
Department of Physics, Nanjing University, Nanjing 210008
关键词 ：
75.50.Gg ,
75.50.Kj ,
75.70.Ak
Abstract ： The effects of the annealing temperature and time on the structure and magnetic properties of the sputtered BiDy-iron garnet films were investigated. X-ray diffraction analysis shows that the as-sputtered films are amorphous. After annealing at about 550°C, amorphous films crystallize into the garnet phase and an unknown phase. The intensity of the unknown phase decreases with increasing annealing temperature and time and vanishes at 650°C for 30min. It is found that the unknown phase has a large influence on the half-width of the (420) x-ray diffraction peak. The as-sputtered films have a very small magnetization of about 1 emu/g at room temperature. When films are annealed above 570°C, the magnetization increases rapidly with increasing annealing temperature and time.
Key words ：
75.50.Gg
75.50.Kj
75.70.Ak
出版日期: 1994-01-01
:
75.50.Gg
(Ferrimagnetics)
75.50.Kj
(Amorphous and quasicrystalline magnetic materials)
75.70.Ak
(Magnetic properties of monolayers and thin films)
引用本文:
GU Benxi;ZHANG Hongyan;ZHAI Hongru;LU Mu;MIAO Yongzhi. Structure and Magnetic Properties of Sputtered Bi2 DyFe5 O12 Films[J]. 中国物理快报, 1994, 11(1): 61-64.
2 DyFe5 O12 Films. Chin. Phys. Lett., 1994, 11(1): 61-64.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1994/V11/I1/61
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1994, Vol. 11 
