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首页> 外文期刊>Journal of Applied Physics >Perpendicular magnetization of long iron carbide nanowires inside carbon nanotubes due to magnetocrystalline anisotropy
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Perpendicular magnetization of long iron carbide nanowires inside carbon nanotubes due to magnetocrystalline anisotropy

机译：由于磁晶各向异性，碳纳米管内部长碳化铁纳米线的垂直磁化

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摘要

Single crystal iron carbide nanowires contained in multiwalled carbon nanotubes have been prepared by aerosol-based thermal chemical vapor deposition. Investigations by transmission electron microscopy reveal the crystallographic [010] axis of the orthorhombic Fe_3C nanowires to be predominantly aligned along the nanotube axis. Despite the high aspect ratio of the Fe_3C nanowires, magnetic force microscopy measurements imply single domain behavior with the easy magnetic axis of the nanowires perpendicular to the wire axis. In agreement with the structural results, these findings show that the magnetic behavior is dominated by the magnetocrystalline anisotropy contribution, causing the easy axis to be along the [001] direction.
机译：通过基于气溶胶的热化学气相沉积已经制备了包含在多壁碳纳米管中的单晶碳化铁纳米线。透射电子显微镜的研究表明，正交的Fe_3C纳米线的晶体学[010]轴主要沿着纳米管轴排列。尽管Fe_3C纳米线的长径比很高，但是磁力显微镜测量仍暗示了单畴行为，纳米线的易磁轴垂直于线轴。与结构结果一致，这些发现表明，磁行为受磁晶各向异性的影响，使易轴沿[001]方向。

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  • 来源
    《Journal of Applied Physics》 |2009年第5期|054909.1-054909.5|共5页
  • 作者

    Uhland Weissker; Markus Loeftier; Franziska Wolny; Matthias Uljas Lutz; Nils Scheerbaum; Ruediger Klingeler; Thomas Gemming; Thomas Muehl; Albrecht Leonhardt; Bernd Buechner;

  • 作者单位

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

    Leibniz Institute for Solid State and Materials Research (IFW), Dresden D-01069, Germany;

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