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 ...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.展开更多
基金Supported by the National Basic Research Program of China under Grant No 2012CB933002the National Natural Science Foundation of China under Grant No 11174347.
文摘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.
