Oxygen Adsorption and Magnetic Properties of Ultrathin Co/Ir(111) Films

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概要

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• During oxygen exposure to ultrathin Co/Ir(111) films, both the oxidative process and physical adsorption occur. The diffusion length of oxygen is around two monolayers of Co. Within this thickness, Co films are almost oxidative and ferromagnetism disappears. For thicker films with nanometer thickness, after completing the oxidative process at the beginning of oxygen exposure, the physical adsorption becomes a major process. By controlling the amount of further exposure to oxygen, the coercive force in the polar configuration can be adjusted while keeping the Kerr rotation at a nearly constant value.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2010-07-25

著者

• Tsay Jyh-shen

  Department Of Physics Tunghai University

• Tsay Jyh-Shen

  Department of Physics, National Taiwan Normal University, Taipei 116, Taiwan

• Ho Huei-Ying

  Department of Science Education, National Taipei University of Education, Taipei 106, Taiwan

• Chen Yu-Shan

  Department of Physics, National Chung Cheng University, Chiayi 621, Taiwan

関連論文

• Magnetic Properties of Co/Si(100) Thin Films Studied using Magnetooptic Kerr Effect Technique : Magnetism
• Oxygen Adsorption and Magnetic Properties of Ultrathin Co/Ir(111) Films

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