Detection of sputtered metastable atoms by autoionization
- Universitaet Kaiserslautern, Fachbereich Physik, Erwin-Schroedinger Strasse, D-67663 Kaiserslautern (Germany)
- Surface and Microanalysis Science Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899 (United States)
We report on a scheme for the detection of sputter-generated metastable atoms that is based on the resonant excitation of an autoionizing state by single-photon absorption from a tunable laser. Using this technique, sputtered silver atoms ejected in the metastable 4{ital d}{sup 9}5{ital s}{sup 2}{ital D}{sub 5/2} state with an excitation energy of 3.75 eV have been detected. This represents the highest excitation energy of sputtered metastable atoms observed so far.
- OSTI ID:
- 144774
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 3 Vol. 49; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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