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In situ cleaning of metal cathodes using a hydrogen ion beam
Metal photocathodes are commonly used in high-field rf guns because they are robust, straightforward to implement, and tolerate relatively poor vacuum compared to semiconductor cathodes. However, these cathodes have low quantum efficiency (QE) even at UV wavelengths, and still require some form of c...
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| Hauptverfasser: | , , , , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
American Physical Society
2006-06-01
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| Schriftenreihe: | Physical Review Special Topics. Accelerators and Beams |
| Online Zugang: | http://doi.org/10.1103/PhysRevSTAB.9.063502 |
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