Tunneling-Electron-Induced Hopping of Methylthiolate on Cu(111)
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概要
- 論文の詳細を見る
The hopping motion of methylthiolate, CH3S, on Cu(111) was effectively induced by injecting tunneling electrons from the tip of a scanning tunneling microscope (STM). When the tunneling electrons are injected into an isolated CH3S at liquid He temperature in which the motion is originally frozen, the hopping phenomenon of CH3S from a hollow site to a neighboring hollow site is observed. This phenomenon shows a clear threshold in the applied bias voltage corresponding to the vibrational excitation energy of the C–S stretching mode in CH3S. We suggest a model in which the hindered translational mode, directly related to the hopping motion, is excited in accordance with the excitation of the C–S stretching mode through anharmonic coupling.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-03-15
著者
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Kim Yousoo
Surface Chemistry Laboratory
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OHARA Michiaki
Surface Chemistry Laboratory RIKEN (The Institute of Physical and Chemical Research)
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Kawai Maki
Surface Chemistry Lab. Riken (the Institute Of Physics And Chemistry Research):department Of Advance
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Ohara Michiaki
Surface Chemistry Laboratory, RIKEN (The Institute of Physical and Chemical Research), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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Kim Yousoo
Surface Chemistry Laboratory, RIKEN (The Institute of Physical and Chemical Research), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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Kawai Maki
Surface Chemistry Laboratory, RIKEN (The Institute of Physical and Chemical Research), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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