固体表面におけるナノ磁性体の実験 Experiments on Nanomagnets at Surfaces

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  Recently, ferromagnetic nanostructures have been prepared by well-controlled methods using self-organization at surfaces. Their magnetic and electronic properties are experimentally <i>in situ</i> studied with newly developed methods. In this article, results on the nanowires along the step edges on vicinal surfaces of nonmagnetic metals and on the regular arrays of nanodots on strain relief surface nanopatterns are reviewed. Both nanowires and nanodots show magnetic hysteresis loops as measured macroscopically by magneto-optical Kerr effect. When the magnetic nanostructure is isolated, the hysteresis is caused by the blocking of superparamagnetism at low temperatures. In the case of regular arrays of nanowires and nanodots, a long range magnetic order is established by both the percolation mechanism and the magnetic coupling among them. The microscopic interaction and the magnetic nanodomains have been clarified by spin-resolved scanning tunneling microscopy.<br>

収録刊行物

  • 真空  

    真空 49(12), 710-715, 2006-12-20 

    The Vacuum Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018457506
  • NII書誌ID(NCID)
    AN00119871
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    05598516
  • NDL 記事登録ID
    8624055
  • NDL 雑誌分類
    ZN15(科学技術--機械工学・工業--流体機械)
  • NDL 請求記号
    Z16-474
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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