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  Anti-Stokes resonant x-ray Raman scattering for atom specific and excited state selective dynamics.

Kunnus, K., Josefsson, I., Rajkovic, I., Schreck, S., Quevedo, W., Beye, M., et al. (2016). Anti-Stokes resonant x-ray Raman scattering for atom specific and excited state selective dynamics. New Journal of Physics, 18(10): 103011. doi:10.1088/1367-2630/18/10/103011.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-BDAE-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-DDC7-3
Genre: Journal Article

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Kunnus, K., Author
Josefsson, I., Author
Rajkovic, I.1, Author              
Schreck, S., Author
Quevedo, W., Author
Beye, M., Author
Greubel, S., Author
Scholz, M.1, Author              
Nordlund, D., Author
Zhang, W., Author
Hartsock, R. W., Author
Gaffney, K. J., Author
Schlotter, W. F., Author
Turner, J. J., Author
Kennedy, B., Author
Hennies, F., Author
Techert, S.1, Author              
Wernet, P., Author
Odelius, M., Author
Föhlisch, A., Author
Affiliations:
1Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for biophysical chemistry, Max Planck Society, ou_578564              

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Free keywords: ultrafast photochemistry; excited state selectivity; anti-Stokes resonant x-ray raman scattering; free electron lasers; resonant inelastic x-ray scattering
 Abstract: Ultrafast electronic and structural dynamics of matter govern rate and selectivity of chemical reactions, as well as phase transitions and efficient switching in functional materials. Since x-rays determine electronic and structural properties with elemental, chemical, orbital and magnetic selectivity, short pulse x-ray sources have become central enablers of ultrafast science. Despite of these strengths, ultrafast x-rays have been poor at picking up excited state moieties from the unexcited ones. With time-resolved anti-Stokes resonant x-ray Raman scattering (AS-RXRS) performed at the LCLS, and ab initio theory we establish background free excited state selectivity in addition to the elemental, chemical, orbital and magnetic selectivity of x-rays. This unparalleled selectivity extracts low concentration excited state species along the pathway of photo induced ligand exchange of Fe(CO)(5) in ethanol. Conceptually a full theoretical treatment of all accessible insights to excited state dynamics with AS-RXRS with transform-limited x-ray pulses is given-which will be covered experimentally by upcoming transform-limited x-ray sources.

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Language(s): eng - English
 Dates: 2016-10-07
 Publication Status: Published online
 Pages: -
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 Rev. Method: Peer
 Identifiers: DOI: 10.1088/1367-2630/18/10/103011
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Title: New Journal of Physics
Source Genre: Journal
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Pages: 9 Volume / Issue: 18 (10) Sequence Number: 103011 Start / End Page: - Identifier: -