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  • Amini, KasraUniversity of Oxford (author)

Photodissociation of aligned CH3I and C6H3F2I molecules probed with time-resolved Coulomb explosion imaging by site-selective extreme ultraviolet ionization

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • AIP Publishing,2018

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:521de113-248b-41fd-b575-fa53ae50c4ba
  • https://lup.lub.lu.se/record/521de113-248b-41fd-b575-fa53ae50c4baURI
  • https://doi.org/10.1063/1.4998648DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • We explore time-resolved Coulomb explosion induced by intense, extreme ultraviolet (XUV) femtosecond pulses from a free-electron laser as a method to image photo-induced molecular dynamics in two molecules, iodomethane and 2,6-difluoroiodobenzene. At an excitation wavelength of 267 nm, the dominant reaction pathway in both molecules is neutral dissociation via cleavage of the carbon-iodine bond. This allows investigating the influence of the molecular environment on the absorption of an intense, femtosecond XUV pulse and the subsequent Coulomb explosion process. We find that the XUV probe pulse induces local inner-shell ionization of atomic iodine in dissociating iodomethane, in contrast to non-selective ionization of all photofragments in difluoroiodobenzene. The results reveal evidence of electron transfer from methyl and phenyl moieties to a multiply charged iodine ion. In addition, indications for ultrafast charge rearrangement on the phenyl radical are found, suggesting that time-resolved Coulomb explosion imaging is sensitive to the localization of charge in extended molecules.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Savelyev, EvgenyGerman Electron Synchrotron (DESY) (author)
  • Brauße, FelixMax Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (author)
  • Berrah, NoraUniversity of Connecticut (author)
  • Bomme, CédricGerman Electron Synchrotron (DESY) (author)
  • Brouard, MarkUniversity of Oxford (author)
  • Burt, MichaelUniversity of Oxford (author)
  • Christensen, LaugeAarhus University (author)
  • Düsterer, StefanGerman Electron Synchrotron (DESY) (author)
  • Erk, BenjaminGerman Electron Synchrotron (DESY) (author)
  • Höppner, HaukeHelmholtz-Zentrum Dresden-Rossendorf,German Electron Synchrotron (DESY) (author)
  • Kierspel, ThomasUniversity of Hamburg,German Electron Synchrotron (DESY) (author)
  • Krecinic, FarukMax Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (author)
  • Lauer, AlexandraUniversity of Oxford (author)
  • Lee, Jason W.L.University of Oxford (author)
  • Müller, MariaTechnical University of Berlin (author)
  • Müller, ErlandGerman Electron Synchrotron (DESY) (author)
  • Mullins, TerenceGerman Electron Synchrotron (DESY) (author)
  • Redlin, HaraldGerman Electron Synchrotron (DESY) (author)
  • Schirmel, NoraGerman Electron Synchrotron (DESY) (author)
  • Thøgersen, JanAarhus University (author)
  • Techert, SimoneGerman Electron Synchrotron (DESY),Max Planck Institute for Biophysical Chemistry,University of Göttingen (author)
  • Toleikis, SvenGerman Electron Synchrotron (DESY) (author)
  • Treusch, RolfGerman Electron Synchrotron (DESY) (author)
  • Trippel, SebastianUniversity of Hamburg,German Electron Synchrotron (DESY) (author)
  • Ulmer, AnatoliTechnical University of Berlin (author)
  • Vallance, ClaireUniversity of Oxford (author)
  • Wiese, JossGerman Electron Synchrotron (DESY) (author)
  • Johnsson, PerLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-pj0 (author)
  • Küpper, JochenGerman Electron Synchrotron (DESY),University of Hamburg (author)
  • Rudenko, ArtemKansas State University (author)
  • Rouzée, ArnaudMax Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (author)
  • Stapelfeldt, HenrikAarhus University (author)
  • Rolles, DanielGerman Electron Synchrotron (DESY),Kansas State University (author)
  • Boll, RebeccaGerman Electron Synchrotron (DESY) (author)
  • University of OxfordGerman Electron Synchrotron (DESY) (creator_code:org_t)

Related titles

  • In:Structural Dynamics: AIP Publishing5:12329-7778

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