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题名: Structural and Magnetic Properties of Fe3−xMnxO4 Films
作者: Wang, K. M.;Lee, D. S.;Horng, Lance;Chern, G.
贡献者: 物理學系
关键词: Ferrimagnetic oxide films;Thin films;Molecular beam epitaxy;Magnetization;Magnetic anisotropy
日期: 2004-11
上传时间: 2013-02-05T02:18:28Z
出版者: Elsevier
摘要: Fe3O4 (magnetite) has been suggested as a half-metal material. On the other hand, Mn3O4 has an extremely strong anisotropy effect. Using plasma–oxygen-assisted molecular beam epitaxy, we are able to grow Fe3O4, Mn3O4 and a series of Fe3−x MnxO4 (0⩽x⩽3) films on MgO (0 0 1) and (0 1 1), with epitaxial quality. A cubic-to-tetragonal structural transformation is observed first time in Fe3−x MnxO4 films. The magnetic response also shows an abrupt change of magnetic anisotropy and high coercivity, which is consistent with structural transition.
關聯: J. Magn. Magn. Mater., 282: 73-77
显示于类别:[物理學系] 期刊論文


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