Magnetic Structure of Nano-Graphite Mobius Ribbon (Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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We consider the electronic and magnetic properties of the nanographite ribbon with zigzag edges under periodic or Mobius boundary conditions. The zigzag nano-graphite ribbons possess edge localized states at the Fermi level, which cause a ferrimagnetic spin polarization localized at the edge sites even in a very weak Coulomb interaction. The imposition of the Mobius boundary conditions makes the system a non-AB-bipartite lattice, and depresses the spin polarization, resulting in the formation of a magnetic domain wall. The width of the magnetic domain depends on the Coulomb interaction and decreases with increasing U/_1.
- 社団法人日本物理学会の論文
- 2003-05-15
著者
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HARIGAYA Kikuo
Nanotechnology Research Institute, AIST
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WAKABAYASHI Katsunori
Department of Quantum Matter, Graduate School of Advanced Sciences of Matter, Hiroshima University
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Wakabayashi Katsunori
Department Of Quantum Matter Graduate School Of Advanced Sciences Of Matter Hiroshima University:pre
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Wakabayashi Katsunori
Department Of Physical Electronics Hiroshima University
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Harigaya K
Nanotechnology Research Institute Aist:synthetic Nano-function Materials Project Aist
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Wakabayashi K
Department Of Quantum Matter Graduate School Of Advanced Sciences Of Matter Hiroshima University
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Wakabayashi Katsunori
Hiroshima Univ. Hiroshima
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Wakabayashi Katsunori
Department Of Quantum Matter Graduate School Of Advanced Sciences Of Matter Hiroshima University:pre
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Harigaya Kikuo
Nanotechnology Research Institute Aist
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Wakabayashi Katsunori
Department Of Quantum Matter Science Graduate School Of Advanced Sciences Of Matter (adsm) Hiroshima
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Wakabayashi Katsunori
Department Of Quantum Matter Science Graduate School Of Advanced Sciences Of Matter (adsm) Hiroshima
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