Transport Characteristics of the Cross Junction of Atomic Chains
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概要
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The electronic transport through the cross junction of atomic chain wires is investigated considering the subband coupling. The transmission and the reflection probabilities are analyzed using the tight-binding model for the one-row, two-row, three-row and five-row chain crosses. Due to mirror symmetry of the system, the number of forward-transmitted responses is limited by parity conservation, but the side-turning transmission suffers no such restriction. The forward transmission prevails when the incident wave energy is near the band edge. However, a considerable amount of flux is directed sideways toward the midband, and eventually, the side-turning transmission shows a great lead over the forward transmission around the midband, which is characteristic of the discrete atomic chain cross junction. The bound state at the cross point is also investigated.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 2001-07-15
著者
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Shimizu Tomo
Institute Of Applied Physics University Of Tsukuba
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Natori Kenji
Institute Of Applied Physics University Of Tsukuba
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Sano Nobuyuki
Institute Of Applied Physics The University Of Tsukuba
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Natori Kenji
Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
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Sano Nobuyuki
Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
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