Ill-Contact Effects of d-Orbital Channels in Nanometer-Scale Conductor(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
スポンサーリンク
概要
- 論文の詳細を見る
Electronic current in a nanometer-size rod is theoretically investigated by an eigen-channel decomposition method in nonequilibrium Green's function formalism. Physical properties, such as the local density of electrons and local current, are decomposed into contributions of eigen-channels. We observe that the evanescent modes and nonlinear conductance are enhanced in d-orbital systems, and the structure of the transmission function, local current density, and penetration depth are discussed. The two effects of the ill-contact at electrodes in d-orbital systems, evanescent modes and the nonlinearity of conductance, are regarded as originating in the peak structure of the transmission function of eigen-channels in the energy region between chemical potentials of left and right lead wires.
- 社団法人日本物理学会の論文
- 2008-11-15
著者
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Fujiwara Takeo
Center For Research And Development Of Higher Education The University Of Tokyo:core Research For Ev
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Fujiwara Takeo
Center For Research And Development Of Higher Education The University Of Tokyo:core Research For Ev
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HOSHI Takeo
Department of Applied Physics, University of Tokyo
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SHINAOKA Hiroshi
Department of Applied Physics, The University of Tokyo
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Hoshi Takeo
Department Of Applied Mathematics And Physics Tottori University:core Research For Evolutional Scien
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Shinaoka Hiroshi
Department Of Applied Physics The University Of Tokyo
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