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Atom-Specific Probi...
Atom-Specific Probing of Electron Dynamics in an Atomic Adsorbate by Time-Resolved X-Ray Spectroscopy
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- Schreck, Simon (author)
- Stockholms universitet,Fysikum
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Diesen, Elias (author)
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Dell'Angela, Martina (author)
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- Liu, Chang, 1986- (author)
- Stockholms universitet,Fysikum
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- Weston, Matthew (author)
- Stockholms universitet,Fysikum
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Capotondi, Flavio (author)
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Ogasawara, Hirohito (author)
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LaRue, Jerry (author)
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Costantini, Roberto (author)
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Beye, Martin (author)
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Miedema, Piter S. (author)
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- Halldin Stenlid, Joakim (author)
- Stockholms universitet,Fysikum,SLAC National Accelerator Laboratory, USA
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- Gladh, Jörgen, 1964- (author)
- Stockholms universitet,Fysikum,SLAC National Accelerator Laboratory, USA
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- Liu, Boyang (author)
- Stockholms universitet,Fysikum
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- Wang, Hsin-Yi (author)
- Stockholms universitet,Fysikum
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- Perakis, Fivos (author)
- Stockholms universitet,Fysikum
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- Cavalca, Filippo (author)
- Stockholms universitet,Fysikum
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- Koroidov, Sergey (author)
- Stockholms universitet,Fysikum
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- Amann, Peter (author)
- Stockholms universitet,Fysikum
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Pedersoli, Emanuele (author)
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Naumenko, Denys (author)
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Nikolov, Ivaylo (author)
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Raimondi, Lorenzo (author)
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Abild-Pedersen, Frank (author)
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Heinz, Tony F. (author)
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Voss, Johannes (author)
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Luntz, Alan C. (author)
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- Nilsson, Anders (author)
- Stockholms universitet,Fysikum
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(creator_code:org_t)
- 2022
- 2022
- English.
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In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 129:27
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The electronic excitation occurring on adsorbates at ultrafast timescales from optical lasers that initiate surface chemical reactions is still an open question. Here, we report the ultrafast temporal evolution of x-ray absorption spectroscopy (XAS) and x-ray emission spectroscopy (XES) of a simple well-known adsorbate prototype system, namely carbon (C) atoms adsorbed on a nickel [Ni(100)] surface, following intense laser optical pumping at 400 nm. We observe ultrafast (∼100 fs) changes in both XAS and XES showing clear signatures of the formation of a hot electron-hole pair distribution on the adsorbate. This is followed by slower changes on a few picoseconds timescale, shown to be consistent with thermalization of the complete C/Ni system. Density functional theory spectrum simulations support this interpretation.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Schreck, Simon
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Diesen, Elias
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Dell'Angela, Mar ...
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Liu, Chang, 1986 ...
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Weston, Matthew
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Capotondi, Flavi ...
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show more...
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Ogasawara, Hiroh ...
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LaRue, Jerry
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Costantini, Robe ...
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Beye, Martin
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Miedema, Piter S ...
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Halldin Stenlid, ...
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Gladh, Jörgen, 1 ...
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Liu, Boyang
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Wang, Hsin-Yi
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Perakis, Fivos
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Cavalca, Filippo
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Koroidov, Sergey
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Amann, Peter
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Pedersoli, Emanu ...
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Naumenko, Denys
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Nikolov, Ivaylo
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Raimondi, Lorenz ...
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Abild-Pedersen, ...
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Heinz, Tony F.
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Voss, Johannes
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Luntz, Alan C.
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Nilsson, Anders
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Physical Review ...
- By the university
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Stockholm University