Estimation of the Tip-Molecule Coupling Energy in Scanning Tunneling Microscopy
No theoretical studies were reported up to now on determining the coupling energy between the tip of a scanning tunneling microscope and the adsorbed molecules on a surface scanned, the molecules acting as an external reservoir. In the present paper, we estimate the above interaction energy by conceiving the involved molecules as quantum anharmonic oscillators under an interatomic Morse potential.
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Document Type: Research Article
Publication date: 2009-12-01
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- Scanning probe microscopy (SPM) typically covers atomic force microscopy (AFM), scanning tunneling microscopy (STM), near-field scanning optical microscopy (NSOM, or SNOM) and related technologies. Since its invention in early 1980s, SPM has now been regarded as one of the major driving forces for the rapid development of nanoscience and nanotechnology, and the tool of choice in many areas of research. Journal of Scanning Probe Microscopy (JSPM) provides a forum for rapid dissemination of important developments in SPM technology. JSPM offers scientists, engineers and developers timely, peer-reviewed research on SPM science and technology of the highest quality. JSPM publishes original rapid communications, full research papers and timely state-of-the-art reviews (with author's photo and biography) encompassing the fundamental and applied research on SPM in all fields of science, engineering, and medicine.
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