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January 1, 1992Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena

The interaction of synchrotron light with water adsorbed on a Ag-field emitter in the presence of a high electric field

J. Dirks W. Drachsel J.H. Block

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Abstract

Synchrotron radiation in the energy range between 6 and 30 eV was used to study the photon-stimulated field desorption (PSFD) from a water covered Ag-field emitter. Above a threshold energy of 7.4 eV (extrapolated for zero electric field) a variety of protonated water clusters (H2O)n⋅H+, n=1,...,15, are observed. The influence of the surface temperature, electric field, photon energy, and photon flux on the PSFD spectra are measured. Under certain experimental conditions the predominance of the magic cluster ion (H2O)4⋅H+ is observed.

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Cite This Study

Dirks et al. (1992) studied this question.

synapsesocial.com/papers/6a8333cf3b194ef92e582e5b https://doi.org/10.1116/1.586339

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