Magnetic Perpendicular Anisotropy of Nickel Thin Films Evaporated in Ultra High Vacuum

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概要

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• A ferromagnetic resonance spectrometer which enable the measurement for a film evaporated in ultra-high vacuum (UHV) prior to the exposure to air has been constructed. Nickel films made in UHV have much less magnetic perpendicular anisotropy field H_k (which is in the equation for resonance condition ω/r=H_⊥-4_πM+H_k in the perpendicular direction of the applied field to the film plane, where H_⊥ is the observed resonance field), about 3〜5 × 10^2 Oe, than those made in conventional vacuum by a factor of 6〜1O. The absorption of residual gases causes H_k to become larger. Study on double-layer films, composed of two nickel films with an absorbed gas layer at their interface, results the different perpendicular anisotropy fields for each nickel film, one, in contact with the glass substrate, with smaller H_k than the other, besides the aging in UHV makes values shift in the contrary way for each film, like approaching to each other. Some qualitative explanations are given.

• 社団法人日本物理学会の論文
• 1967-03-05

著者

• Aoi Hajime

  Institute Of Applied Physics Faculty Of Engineering Yokohama National University

• Usami Seiji

  Institute for Nuclear Study, Tokyo University

• Usami Seiji

  Institute Of Applied Physics Faculty Of Engineering Yokohama National University

• Usami Seiji

  Institute For Applied Physics Faculty Of Engineering Yokohama National University

• NAGASHIMA Hiroyuki

  Institute of Applied Physics, Faculty of Engineering, Yokohama National University

• Nagashima Hiroyuki

  Institute For Solid State Physics University Of Tokyo:(present Address) Department Of Physics Facult

• Nagashima Hiroyuki

  Institute Of Applied Physics Faculty Of Engineering Yokohama National University

• Usami Seiji

  Institute of Applied Physics, Faculty of Engineering, Yokohama National University

関連論文

• Status Report on ERA Research in Japan
• Ferromagnetic Resonance in Thin Single-Crystal Films of Iron
• Magnetic Perpendicular Anisotropy of Nickel Thin Films Evaporated in Ultra High Vacuum
• The Surface Potential of Nitric Oxide on Tungsten
• Correction of the Table for the Numerical Values Obtained from the Experiment of Mossbauer Effect
• Internal Fields of Nickel-Iron Ferrite System
• A Low Frequency Resonance Characteristic in Plasma
• Mossbauer Effect in Fe-Ni Ferrite System
• A Note on Plasma Conductivity (III)
• A Note on Plasma Conductivity (II)
• Ferromagnetic Resonance in Thin Permalloy Films
• ESR of CuMn Dilute Alloys Studied in Thin Films

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