Encyclopedia of Materials Science and En
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Wolfgang A. Kaysser
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Article
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1989
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John Wiley and Sons
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English
⚖ 259 KB
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ionized aggregates of a few hundred to a few thousand atoms rather than individual atoms or molecules. These clusters are formed by the condensation of evaporated atoms during adiabatic expansion through a narrow aperture into a high vacuum region. They are then ionized by electron impact and unifor