Surface Magnetic Structure of ^<57>Fe^<2+> Coated γ-^<56>Fe_2O_3 Particles with and without Adsorbed Cobalt

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概要

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• The surface magnetic structure of γ-^<56>Fe_2O_3 acicular particles with and without ad-sorbed Co^<2+> ions was investigated by coating with ^<57>Fe^<2+> ions and then employing Mossbauer spectroscopy. The samples were characterized by chemical analysis, transmission electron microscopy, X-ray diffraction and magnetic measurements. The Mossbauer spectra at room temperature consisted of a sextet with broad lines with tails towards zero velocity. At 4.2 K in an applied field of 50 kOe the spin structure is non-collinear especially for the samples with the adsorbed cobalt ions.

• 社団法人日本物理学会の論文
• 1994-02-15

著者

• Zhou Xue-zhi

  Department Of Physics University Of Manitoba

• Horio Isayuki

  Central Research Laboratory, Showa Denko K. K.

• Morrish Henrry

  Department of Physics, University of Manitoba

• Horio Isayuki

  Central Research Laboratory Showa Denko K. K.

• Morrish Henrry

  Department Of Physics University Of Manitoba

• Morrish Allan

  Department of Physics, University of Manitoba

関連論文

• Surface Magnetic Structure of ^Fe^ Coated γ-^Fe_2O_3 Particles with and without Adsorbed Cobalt

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