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Energy band dispers...
Energy band dispersion in photoemission spectra of argon clusters
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Förstel, Marko (author)
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- Mucke, Melanie (author)
- Uppsala universitet,Mjukröntgenfysik
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Anon, Tiberiu (author)
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Lischke, Toralf (author)
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Barth, Silko (author)
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Ulrich, Volker (author)
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Öhrwall, Gunnar (author)
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- Björneholm, Olle (author)
- Uppsala universitet,Yt- och gränsskiktsvetenskap
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Hergenhahn, Uwe (author)
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Bradshaw, Alex M. (author)
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(creator_code:org_t)
- Elsevier BV, 2011
- 2011
- English.
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In: Journal of Electron Spectroscopy and Related Phenomena. - : Elsevier BV. - 0368-2048 .- 1873-2526. ; 184:3-6, s. 107-112
- Related links:
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https://pure.mpg.de/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Using photoemission we have investigated free argon clusters from a supersonic nozzle expansion in the photon energy range from threshold up to 28 eV. Measurements were performed both at high resolution with a hemispherical electrostatic energy analyser and at lower resolution with a magnetic bottle device. The latter experiments were performed for various mean cluster sizes. In addition to the approximate to 15eV broad 3p-derived valence band seen in previous work, there is a sharper feature at approximate to 15eV binding energy. Surprisingly for non-oriented clusters, this peak shifts smoothly in binding energy over the narrow photon energy range 15.5-17.7 eV, indicating energy band dispersion. The onset of this bulk band-like behaviour could be determined from the cluster size dependence.
Keyword
- Cluster
- Band structure
- Argon
- Photoelecton spectroscopy
- NATURAL SCIENCES
- NATURVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Förstel, Marko
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Mucke, Melanie
-
Anon, Tiberiu
-
Lischke, Toralf
-
Barth, Silko
-
Ulrich, Volker
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show more...
-
Öhrwall, Gunnar
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Björneholm, Olle
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Hergenhahn, Uwe
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Bradshaw, Alex M ...
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show less...
- Articles in the publication
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Journal of Elect ...
- By the university
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Uppsala University