Characterization of surface oxide layer of iron particles for magnetic recording II. Surface oxide layer of further oxidized iron particles in high humidity.

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概要

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• The surface oxide layer of additionally oxidized iron particles for magnetic recording in high humidity (90%) and at 60°C was examined by Mössbauer spectrometry. The mechanism of deterioration was concluded to begin with oxidation: the deterioration of the saturation magnetization (<B>Is</B>) of iron particles was caused by a deterioration of the <B>Is</B> of the surface oxide layer; later deterioration was caused by an increase in the amount of the oxide layer. The specific gravity of the surface oxide layer became gradually reduced during the oxidation.

• 公益社団法人 日本化学会の論文

著者

• Makishima Akio

  Institute for Study of the Earth's Interior, Okayama University

• Yamamoto Yukihiro

  R&D Laboratories-I, Nippon Steel Corporation

• Watanabe Kohji

  R&D Laboratories-I, Nippon Steel Corporation

関連論文

• Characterization of the surface oxide layer on iron particles for magnetic recording by Moessbauer spectrometry.
• Characterization of surface oxide layer of iron particles for magnetic recording II. Surface oxide layer of further oxidized iron particles in high humidity.

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