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Crystallization-dependent magnetic properties of Mn 1.56 Co 0.96 Ni 0.48 O 4 thin films

  • Y. Q. Gao
  • , Z. M. Huang*
  • , Y. Hou
  • , J. Wu
  • , Z. Q. Li
  • , J. H. Chu
  • *此作品的通讯作者
  • CAS - Shanghai Institute of Technical Physics
  • Faculty of Science

科研成果: 期刊稿件文章同行评审

摘要

The effects of magnetic property dependence of the Mn 1.56 Co 0.96 Ni 0.48 O 4 (MCN) films on crystallization are investigated in the growth temperature of 450-750 °C. With the growth temperature increase, both the crystalline quality and the grain size improve. The MCN films exhibit paramagnetic to ferromagnetic transition and the paramagnetic parts fit to the modified Curie-Weiss law. The ferromagnetic couplings of the magnetic ions in the MCN films enhance at elevated growth temperature. The saturation magnetization at 5 K increases with increasing growth temperature, but coercive field decreases monotonously. The magnetic properties of the MCN films strongly depend on their microstructures.

源语言英语
页(从-至)2552-2556
页数5
期刊Applied Surface Science
256
8
DOI
出版状态已出版 - 1 2月 2010
已对外发布

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