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首页> 中文期刊> 《中国物理快报：英文版》 >Mapping the Diffusion Potential of a Reconstructed Au(111) Surface at Nanometer Scale with 2D Molecular Gas

Mapping the Diffusion Potential of a Reconstructed Au(111) Surface at Nanometer Scale with 2D Molecular Gas

         
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摘要

The adsorption and diffusion behaviors of benzene molecules on an Au(111) surface are investigated by lowtemperature scanning tunneling microscopy.A herringbone surface reconstruction of the Au(111) surface is imaged with atomic resolution,and significantly different behaviors are observed for benzene molecules adsorbed on step edges and terraces.The electric field induced modification in the molecular diffusion potential is revealed with a 2D molecular gas model,and a new method is developed to map the diffusion potential over the reconstructed Au(111) surface at the nanometer scale.%The adsorption and diffusion behaviors of benzene molecules on an Au(111) surface are investigated by low-temperature scanning tunneling microscopy. A herringbone surface reconstruction of the Au(111) surface is imaged with atomic resolution, and significantly different behaviors are observed for benzene molecules adsorbed on step edges and terraces. The electric field induced modification in the molecular diffusion potential is revealed with a 2D molecular gas model, and a new method is developed to map the diffusion potential over the reconstructed Au(111) surface at the nanometer scale.

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  • 来源
    《中国物理快报：英文版》 |2012年第4期|167-169|共3页
  • 作者

    YAN Shi-Chao; XIE Nan; GONG Hui-Qi; SUN Qian; GUO Yang; SHAN Xin-Yan; LU Xing-Hua;

  • 作者单位

    Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics,Chinese Academy of Sciences, Beijing 100190;

    Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics,Chinese Academy of Sciences, Beijing 100190;

    Photonics Center, College of Physics Science, Nankai University, Tianjin 300071;

    Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics,Chinese Academy of Sciences, Beijing 100190;

    Photonics Center, College of Physics Science, Nankai University, Tianjin 300071;

    Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics,Chinese Academy of Sciences, Beijing 100190;

    Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics,Chinese Academy of Sciences, Beijing 100190;

    Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics,Chinese Academy of Sciences, Beijing 100190;

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