Magnetic anisotropy of Fe films deposited by dc magnetron sputtering under an external magnetic field

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• 作者：Jiahui Chen ; Jing Ma ; Liang Wu ; Yang Shen ; Ce-Wen Nan
• 关键词：Growth magnetic field ; Magnetic anisotropy ; Crystallization ; Magnetron sputtering
• 刊名：Chinese Science Bulletin
• 出版年：2015
• 出版时间：July 2015
• 年：2015
• 卷：60
• 期：13
• 页码：1214-1217
• 全文大小：1,116 KB
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• 作者单位：Jiahui Chen (1)
  Jing Ma (1)
  Liang Wu (1)
  Yang Shen (1)
  Ce-Wen Nan (1)
  
  1. School of Materials Science and Engineering, State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing, 100084, China
  
• 刊物主题：Science, general; Life Sciences, general; Physics, general; Chemistry/Food Science, general; Earth Sciences, general; Engineering, general;
• 出版者：Springer Berlin Heidelberg
• ISSN：1861-9541

文摘

Magnetic Fe films grown on single-crystal MgO (001) and (011) substrates were prepared by direct current magnetron sputtering. The experimental results showed that by applying an external magnetic field of about 300 Oe to film during deposition, a fourfold cubic magnetic anisotropy on MgO (001) substrate and a twofold uniaxial magnetic anisotropy on MgO (011) substrate were generated, compared to the isotropic magnetization of Fe film grown without applying the external magnetic field. Our results suggested that external magnetic field during preparation effectively induced relatively higher surface mobility of sputtered Fe atoms and further promoted the crystallization of Fe film and the enhancement of magnetic anisotropy.