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Atomic-Scale Desorption Through Electronic and Vibrational Excitation Mechanisms

Shen, T. -C., Wang, C., Abeln, G. C., Tucker, J. R., Lyding, J. W., Avouris, Ph., Walkup, R. E.·1995·Science

Abstract

The scanning tunneling microscope has been used to desorb hydrogen from hydrogen-terminated silicon (100) surfaces. As a result of control of the dose of incident electrons, a countable number of desorption sites can be created and the yield and cross section are thereby obtained. Two distinct desorption mechanisms are observed: (i) direct electronic excitation of the Si-H bond by field-emitted electrons and (ii) an atomic resolution mechanism that involves multiple-vibrational excitation by tunneling electrons at low applied voltages. This vibrational heating effect offers significant potential for controlling surface reactions involving adsorbed individual atoms and molecules.

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Metadata

Authors
Shen, T. C., Wang, C., Abeln, G. C., Tucker, J. R., Lyding, J. W., Avouris, P., & Walkup, R. E.
Venue
Science
Published
1995-06-16
Volume
268
Issue
5217
Pages
1590-1592
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2080074668
Cited by
789
References
0
FWCI
40.82
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Atomic-Scale Desorption Through Electronic and Vibrational Excitation Mechanisms. https://app.cochat.ai/papers/10.1126/science.268.5217.1590
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Shen, T. C., Wang, C., Abeln, G. C., Tucker, J. R., Lyding, J. W., Avouris, P., & Walkup, R. E. (1995). Atomic-Scale Desorption Through Electronic and Vibrational Excitation Mechanisms. Science. https://doi.org/10.1126/science.268.5217.1590

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.