金属電極に架橋したベンゼン, C60単分子接合の構造および伝導特性の解明 Investigation on Atomic and Electric Conductance of the Single Benzene and C60 Molecule Junction Bridging between Metal Electrodes

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著者

    • 木口 学 KIGUCHI Manabu
    • 東京工業大学理工学研究科化学専攻 Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology
    • 金子 哲 KANEKO Satoshi
    • 東京工業大学理工学研究科化学専攻 Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology
    • 中住 友香 NAKAZUMI Tomoka
    • 東京工業大学理工学研究科化学専攻 Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology
    • TAL Oren
    • Kamerlingh Onnes Laboratory, Leiden University
    • CUEVAS Juan Carlos
    • Departamento de Física Teorica de la Materia Condensada, Universidad Autonoma de Madrid

抄録

The atomic structure and its electric conductance of the Pt nano contact in a benzene atmosphere were investigated. The conductance, shot noise, and conductance fluctuation measurements revealed the number of the molecules bridging between Pt electrodes. The vibration spectroscopy of single molecule junction and isotopic shift in vibration spectroscopy confirmed the bridging of the benzene molecule. We could determine the atomic structure of the single benzene molecule junction and its conductance around 1 <i>G</i><sub>0</sub>(2<i>e</i><sup>2</sup>/<i>h</i>). Highly conductive single molecule junction could be fabricated by direct biding of <i>π</i> conjugated benzene molecule to metal electrodes. In addition, we could fabricate single molecule junctions showing high and fixed conductance values, by using Ag as electrodes or C<sub>60</sub> as molecules.

収録刊行物

  • 表面科学

    表面科学 32(6), 331-336, 2011

    公益社団法人 日本表面科学会

各種コード

  • NII論文ID(NAID)
    130004486656
  • 本文言語コード
    JPN
  • ISSN
    0388-5321
  • データ提供元
    J-STAGE 
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