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    题名: Complete Spin Polarization for a Carbon Nanotube with an Adsorbed Atomic Transition-Metal Chain
    作者: 楊志開
    Yang,Chih-Kai;Zhao,Jijun;Lu,Jian Ping
    贡献者: 應物所
    日期: 2004
    上传时间: 2014-09-25 11:47:42 (UTC+8)
    摘要: Our calculations indicate that a chromium or vanadium atomic chain adsorbed on an armchair carbon nanotube opens up a band gap for the minority spin, making the whole system a 100% spin-polarized conductor. The gaps are 0.49 and 0.44 eV for V and Cr, respectively. The adsorption of manganese, iron, cobalt, or nickel chains leads to large but not complete spin polarization. These hybrid structures can function as basic building blocks for the nanoscale construction of hitherto elusive perfect spin polarizers, which promise wide-ranging applications in spintronics research.
    關聯: Nano Letters,4(4),561-563
    数据类型: article
    显示于类别:[應用物理研究所 ] 期刊論文

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