Femtosecond X-Ray Scattering Study of Ultrafast Photoinduced Structural Dynamics in Solvated[Co(terpy)2]2+
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We study the structural dynamics of photoexcited [Co(terpy)_{2}]^{2+} in an aqueous solution with ultrafast x-ray diffuse scattering experiments conducted at the Linac Coherent Light Source. Through direct comparisons with density functional theory calculations, our analysis shows that the photoexcitation event leads to elongation of the Co-N bonds, followed by coherent Co-N bond length oscillations arising from the impulsive excitation of a vibrational mode dominated by the symmetrical stretch of all six Co-N bonds. This mode has a period of 0.33 ps and decays on a subpicosecond time scale. We find that the equilibrium bond-elongated structure of the high spin state is established on a single-picosecond time scale and that this state has a lifetime of ∼7 ps.
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Rovibronic wavepackets in iodine, metal compounds in liquids and organic ring openings have all been observed with unprecedented time resolution.
“Rovibronic wavepackets in iodine, metal compounds in liquids and organic ring openings have all been observed with unprecedented time resolution [10,19,20].”
From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [19]
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Roadmap of ultrafast x-ray atomic and molecular physics
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- Authors
- Biasin, E., van Driel, T. B., Kjær, K. S., Dohn, A. O., Christensen, M., Harlang, T., Chabera, P., Liu, Y., Uhlig, J., Pápai, M., Németh, Z., Hartsock, R., Liang, W., Zhang, J., Alonso-Mori, R., Chollet, M., Glownia, J. M., Nelson, S., Sokaras, D., Assefa, T. A., Britz, A., Galler, A., Gawelda, W., Bressler, C., Gaffney, K. J., Lemke, H. T., Møller, K. B., Nielsen, M. M., Sundström, V., Vankó, G., Wärnmark, K., Canton, S. E., & Haldrup, K.
- Affiliations
- Technical University of Denmark (DK)
- Lund University (SE)
- HUN-REN Wigner Research Centre for Physics (HU)
- SLAC National Accelerator Laboratory (US)
- Tiangong University (CN)
- European X-Ray Free-Electron Laser (DE)
- Max Planck Society (DE)
- ORCID
- Biasin, Elisa
- Kjær, Kasper S.
- Dohn, Asmus O.
- Christensen, Morten
- Harlang, Tobias
- Liu, Yizhu
- Uhlig, Jens
- Pápai, Mátyás
- Németh, Zoltán
- Zhang, Jianxin
- Chollet, Matthieu
- Glownia, James M.
- Nelson, Silke
- Sokaras, Dimosthenis
- Assefa, Tadesse A.
- Britz, Alexander
- Bressler, Christian
- Gaffney, Kelly J.
- Lemke, Henrik T.
- Møller, Klaus B.
- Nielsen, Martin M.
- Sundström, Villy
- Vankó, György
- Wärnmark, Kenneth
- Canton, Sophie E.
- Haldrup, Kristoffer
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2016-06-30
- Volume
- 117
- Issue
- 1
- Pages
- 013002-013002
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2470055100
- Cited by
- 108
- References
- 50
- Citations by year
- 2026: 6 · 2025: 6 · 2024: 9 · 2023: 11 · 2022: 7 · 2021: 9 · 2020: 14 · 2019: 22 · 2018: 10 · 2017: 13 · 2016: 1
- FWCI
- 17.20
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- Repository of the Academy's Library (Library of the Hungarian Academy of Sciences) (acceptedVersion)
- arXiv (Cornell University) (submittedVersion)
- DORA PSI (Paul Scherrer Institute) (submittedVersion, other-oa)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
- Desy publication database (The Deutsches Elektronen-Synchrotron) (submittedVersion, other-oa)
- Lund University Publications (Lund University) (submittedVersion)
- Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU) (submittedVersion, other-oa)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- European XFEL (submittedVersion)
- arXiv (Cornell University)
- Funders
- Det Frie Forskningsråd
- Lundbeckfonden
- European Research Council (StG-259709)
- Országos Tudományos Kutatási Alapprogramok (K29724)
- Magyar Tudományos Akadémia (LP2013-59)
- Seventh Framework Programme
- Knut och Alice Wallenbergs Stiftelse
- National Natural Science Foundation of China (21302138)
- Deutsche Forschungsgemeinschaft
- U.S. Department of Energy
- Basic Energy Sciences (DE-AC02-76SF00515)
- DANSCATT
- SFB 1073
- Tianjin High School Science and Technology Fund Planning (20130504)
- Centre of Ultrafast Imaging
- Topics
- Physical Sciences › Physics and Astronomy › Radiation › X-ray Spectroscopy and Fluorescence Analysis
- Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Photochemistry and Electron Transfer Studies
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Spectroscopy and Quantum Chemical Studies
- Keywords
- ultrafast X-ray scattering, vibrational excitation, high-spin states, aqueous solutions, picosecond dynamics
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