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Anisotropy enhanced...
Anisotropy enhanced X-ray scattering from solvated transition metal complexes
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- Biasin, Elisa (författare)
- Technical University of Denmark,Stanford Linear Accelerator Center (SLAC)
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- Van Driel, Tim B. (författare)
- Technical University of Denmark,Stanford Linear Accelerator Center (SLAC)
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- Levi, Gianluca (författare)
- Technical University of Denmark
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- Laursen, Mads G. (författare)
- Technical University of Denmark
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- Dohn, Asmus O. (författare)
- University of Iceland
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- Moltke, Asbjørn (författare)
- Technical University of Denmark
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- Vester, Peter (författare)
- Technical University of Denmark
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- Hansen, Frederik B.K. (författare)
- Technical University of Denmark
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- Kjaer, Kasper S. (författare)
- Lund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Technical University of Denmark,Stanford Linear Accelerator Center (SLAC)
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- Harlang, Tobias (författare)
- Technical University of Denmark
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- Hartsock, Robert (författare)
- Stanford Linear Accelerator Center (SLAC)
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- Christensen, Morten (författare)
- Technical University of Denmark
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- Gaffney, Kelly J. (författare)
- Stanford Linear Accelerator Center (SLAC)
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- Henriksen, Niels E. (författare)
- Technical University of Denmark
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- Møller, Klaus B. (författare)
- Technical University of Denmark
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- Haldrup, Kristoffer (författare)
- Technical University of Denmark
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- Nielsen, Martin M. (författare)
- Technical University of Denmark
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(creator_code:org_t)
- 2018
- 2018
- Engelska 10 s.
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Ingår i: Journal of Synchrotron Radiation. - 0909-0495. ; 25:2, s. 306-315
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Time-resolved X-ray scattering patterns from photoexcited molecules in solution are in many cases anisotropic at the ultrafast time scales accessible at X-ray free-electron lasers (XFELs). This anisotropy arises from the interaction of a linearly polarized UV-Vis pump laser pulse with the sample, which induces anisotropic structural changes that can be captured by femtosecond X-ray pulses. In this work, a method for quantitative analysis of the anisotropic scattering signal arising from an ensemble of molecules is described, and it is demonstrated how its use can enhance the structural sensitivity of the time-resolved X-ray scattering experiment. This method is applied on time-resolved X-ray scattering patterns measured upon photoexcitation of a solvated di-platinum complex at an XFEL, and the key parameters involved are explored. It is shown that a combined analysis of the anisotropic and isotropic difference scattering signals in this experiment allows a more precise determination of the main photoinduced structural change in the solute, i.e. the change in Pt - Pt bond length, and yields more information on the excitation channels than the analysis of the isotropic scattering only. Finally, it is discussed how the anisotropic transient response of the solvent can enable the determination of key experimental parameters such as the instrument response function.The analysis of time-resolved X-ray scattering patterns collected at an XFEL upon photoexcitation of a di-platinum complex in solution is described. The analysis quantitatively considers the anisotropy of the signal.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Nyckelord
- anisotropic scattering
- molecular structure
- orientational selection
- time-resolved
- ultrafast
- XFEL
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- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Biasin, Elisa
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Van Driel, Tim B ...
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Levi, Gianluca
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Laursen, Mads G.
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Dohn, Asmus O.
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Moltke, Asbjørn
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visa fler...
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Vester, Peter
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Hansen, Frederik ...
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Kjaer, Kasper S.
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Harlang, Tobias
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Hartsock, Robert
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Christensen, Mor ...
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Gaffney, Kelly J ...
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Henriksen, Niels ...
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Møller, Klaus B.
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Haldrup, Kristof ...
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Nielsen, Martin ...
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