Zobrazeno 1 - 10 of 20 pro vyhledávání: '"Silko Barth"'
1
The efficiency of Interatomic Coulombic Decay in Ne clusters
Autor: Silko Barth, Sanjeev Joshi, Uwe Hergenhahn, Oliver Kugeler, Simon Marburger, Volker Ulrich, Alexander M. Bradshaw
Publikováno v: Chemical Physics, v.329, 246-250 (2006)
Electron Correlation and Multimode Dynamics in Molecules (in honour of Lorenz S. Cederbaum)
Chemical Physics
In this article, we demonstrate that Interatomic Coulombic Decay (ICD) is the dominant relaxation channel of Ne 2s inner valence vacancies in free Ne clusters, with an efficiency close to 100%. ICD designates a novel autoionization process of a vacan
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4757acbce25cea1a43b2a4b19d59b865
https://doi.org/10.1016/j.chemphys.2006.06.035
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2
Conformational and nuclear dynamics effects in molecular Auger spectra: fluorine core-hole decay in CF4
Autor: Tiberiu Arion, Alexander M. Bradshaw, Uwe Hergenhahn, Silko Barth, Volker Ulrich, Ralph Püttner, Marko Förstel, Osamu Takahashi, Toralf Lischke
Publikováno v: Journal of Physics B
In a molecular Auger spectrum information on the decaying state is implicitly ensemble-averaged. For a repulsive core-ionized state, for example, contributions from all parts of its potential curve are superimposed in the Auger spectrum. Using carbon
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57be62e2929b82411116e96c42bf4f05
https://hdl.handle.net/11858/00-001M-0000-0028-19D7-511858/00-001M-0000-0019-CDA5-A
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3
Energy band dispersion in photoemission spectra of argon clusters
Autor: Marko Förstel, Toralf Lischke, O. Björneholm, Uwe Hergenhahn, Gunnar Öhrwall, Melanie Mucke, Alexander M. Bradshaw, Tiberiu Arion, Volker Ulrich, Silko Barth
Publikováno v: Journal of Electron Spectroscopy and Related Phenomena, v.184, 107-112 (2011)
Journal of Electron Spectroscopy and Related Phenomena
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 analy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff06ed4af6a87b3ec179164700ada6fc
http://edoc.mpg.de/482422
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4
Photoelectron-Auger electron coincidence spectroscopy of free molecules: New experiments
Autor: Melanie Mucke, Sanjeev Joshi, Silko Barth, Volker Ulrich, Alexander M. Bradshaw, Tiberiu Arion, Marko Förstel, Uwe Hergenhahn, Toralf Lischke
Publikováno v: Journal of Electron Spectroscopy and Related Phenomena
Photoelectron–Auger electron coincidence spectroscopy probes the dicationic states produced by Auger decay following the photoionization of core or inner valence levels in atoms, molecules or clusters. Moreover, the technique provides valuable insi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e945d137df571d9716c0a6eec9865ba4
https://hdl.handle.net/11858/00-001M-0000-000F-1372-6
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5
Observation of electronic energy bands in argon clusters
Autor: O. Björneholm, Gunnar Öhrwall, Volker Ulrich, Marko Förstel, Silko Barth, Uwe Hergenhahn, Toralf Lischke, Melanie Mucke, Alexander M. Bradshaw, Tiberiu Arion
Publikováno v: Physical Review B
Physical Review B, v.82 (2010)
The 3p valence region of argon clusters has been investigated with photoemission near the photoionization threshold. A strong feature between 14.6 and 15.3 eV binding energy shows a photon-energy dependence indicative of electronic-energy band disper
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4815b1c1c7a385df085430c4a90b8cd
http://link.aps.org/doi/10.1103/PhysRevB.82.125450
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6
A hitherto unrecognized source of low energy electrons in water
Autor: Alexander M. Bradshaw, Melanie Mucke, Markus Braune, Tiberiu Arion, Silko Barth, Marko Förstel, Toralf Lischke, Volker Ulrich, Uwe Hergenhahn, Uwe Becker
Publikováno v: Nature Physics
Nature Physics, v.6, 143-146 (2010)
Most of the low-energy electrons emitted from a material when it is subjected to ionization radiation are believed to be directly ionized secondary electrons. Coincidence measurements of the electrons ejected from water clusters suggests many are pro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e6efca54ce9d9de8ae11e918adc9ad6
https://hdl.handle.net/11858/00-001M-0000-0026-EEB7-911858/00-001M-0000-0026-EEB9-5
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7
Valence ionization of water clusters: from isolated molecules to bulk
Autor: Uwe Hergenhahn, Petr Slavíček, Silko Barth, Milan Ončák, Melanie Mucke, Volker Ulrich, Toralf Lischke
Publikováno v: The journal of physical chemistry. A. 113(48)
The valence photoelectron spectra of water clusters are studied experimentally and by ab initio calculations. The size dependence of the vertical ionization energy of the outermost orbitals is explicitly shown. A shift toward lower values is observed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85a7def0e21dd9099327bd52036e836f
https://pubmed.ncbi.nlm.nih.gov/19856943
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8
3p valence photoelectron spectrum of Ar clusters
Autor: Olle Björneholm, Andreas Lindblad, Gunnar Öhrwall, Torbjörn Rander, Uwe Hergenhahn, Silko Barth, Sanjeev Joshi, Volker Ulrich, Melanie Mucke, Toralf Lischke
Publikováno v: Physical Review B, v.79 (2009)
Physical Review B
The shape of the outer valence (3p) photoelectron spectrum of Ar clusters is investigated by vacuum ultraviolet photoionization with synchrotron radiation. We show the dependence of the spectrum on ...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a923fb5eb0cb8c3491f7eb51ec89177
http://edoc.mpg.de/396569
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10
Separating the vibrationally resolved Auger decay channels for a CO core hole state
Autor: Sanjeev Joshi, Silko Barth, Volker Ulrich, Toralf Lischke, Alexander M. Bradshaw, Uwe Hergenhahn
Publikováno v: Physical Review Letters, v.100 (2008)
Physical Review Letters
The K-VV Auger spectrum of carbon monoxide (CO) excited by C 1s photoionization has been investigated with a novel electron-electron coincidence setup. The energy resolution is sufficiently high to resolve the vibrational energy levels of the core-io
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::896322f28276d54719c741210a3376e1
https://pubmed.ncbi.nlm.nih.gov/18518028
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