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Femtosecond Electro...
Femtosecond Electronic and Hydrogen Structural Dynamics in Ammonia Imaged with Ultrafast Electron Diffraction
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- Champenois, Elio G. (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- H. List, Nanna (author)
- KTH,Tillämpad fysikalisk kemi
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- Ware, Matthew (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Britton, Mathew (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA; Department of Physics, Stanford University, Stanford, California 94305, USA
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- Bucksbaum, Philip H. (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA; Department of Physics, Stanford University, Stanford, California 94305, USA
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- Cheng, Xinxin (author)
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Centurion, Martin (author)
- Department of Physics and Astronomy, University of Nebraska Lincoln, Lincoln, Nebraska 68588, USA
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- Cryan, James P. (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Forbes, Ruaridh (author)
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Gabalski, Ian (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA; Department of Applied Physics, Stanford University, Stanford, California 94305, USA
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- Hegazy, Kareem (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA; Department of Physics, Stanford University, Stanford, California 94305, USA
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- Hoffmann, Matthias C. (author)
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Howard, Andrew J. (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA; Department of Applied Physics, Stanford University, Stanford, California 94305, USA
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- Ji, Fuhao (author)
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Lin, Ming Fu (author)
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Nunes, J. Pedro F. (author)
- Department of Physics and Astronomy, University of Nebraska Lincoln, Lincoln, Nebraska 68588, USA
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- Shen, Xiaozhe (author)
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Yang, Jie (author)
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA; Department of Chemistry, Tsinghua University, Beijing 100084, China
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- Wang, Xijie (author)
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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- Martinez, Todd J. (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA; Department of Chemistry, Stanford University, Stanford, California 94305, USA
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- Wolf, Thomas J.A. (author)
- Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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(creator_code:org_t)
- American Physical Society (APS), 2023
- 2023
- English.
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In: Physical Review Letters. - : American Physical Society (APS). - 0031-9007 .- 1079-7114. ; 131:14
- 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
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- Directly imaging structural dynamics involving hydrogen atoms by ultrafast diffraction methods is complicated by their low scattering cross sections. Here we demonstrate that megaelectronvolt ultrafast electron diffraction is sufficiently sensitive to follow hydrogen dynamics in isolated molecules. In a study of the photodissociation of gas phase ammonia, we simultaneously observe signatures of the nuclear and corresponding electronic structure changes resulting from the dissociation dynamics in the time-dependent diffraction. Both assignments are confirmed by ab initio simulations of the photochemical dynamics and the resulting diffraction observable. While the temporal resolution of the experiment is insufficient to resolve the dissociation in time, our results represent an important step towards the observation of proton dynamics in real space and time.
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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Champenois, Elio ...
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H. List, Nanna
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Ware, Matthew
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Britton, Mathew
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Bucksbaum, Phili ...
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Cheng, Xinxin
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show more...
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Centurion, Marti ...
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Cryan, James P.
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Forbes, Ruaridh
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Gabalski, Ian
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Hegazy, Kareem
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Hoffmann, Matthi ...
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Howard, Andrew J ...
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Ji, Fuhao
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Lin, Ming Fu
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Nunes, J. Pedro ...
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Shen, Xiaozhe
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Yang, Jie
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Wang, Xijie
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Martinez, Todd J ...
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Wolf, Thomas J.A ...
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- 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 ...
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Physical Review ...
- By the university
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Royal Institute of Technology