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Title: Disentangling formation of multiple-core holes in aminophenol molecules exposed to bright X-FEL radiation

Journal Article · · Journal of Physics. B, Atomic, Molecular and Optical Physics
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [8];  [8];  [8];  [8];  [8];  [8];  [10];  [10];  [10];  [10];  [10] more »;  [11];  [12];  [13];  [13];  [13];  [14];  [14];  [14];  [15];  [15];  [15];  [16];  [1] « less
  1. Univ. of Gothenburg, Gothenburg (Sweden); Uppsala Univ., Uppsala (Sweden)
  2. Uppsala Univ., Uppsala (Sweden); Stockholm Univ., Stockholm (Sweden); Jan Kochanowski Univ., Kielce (Poland)
  3. Uppsala Univ., Uppsala (Sweden)
  4. Univ. of Gothenburg, Gothenburg (Sweden); Uppsala Univ., Uppsala (Sweden); Imperial College London, London (United Kingdom)
  5. Univ. of Gothenburg, Gothenburg (Sweden); Uppsala Univ., Uppsala (Sweden); Oxford Univ., Oxford (United Kingdom)
  6. Uppsala Univ., Uppsala (Sweden); LCPMR, UPMC and CNRS, Paris (France)
  7. Imperial College London, London (United Kingdom)
  8. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  9. SLAC National Accelerator Lab., Menlo Park, CA (United States); Graz Univ. of Technology, Graz (Austria)
  10. Stockholm Univ., Stockholm (Sweden)
  11. Max-Planck-Institut fur Medizinische Forschung, Heidelberg (Germany)
  12. Max Planck-Institut fur Kernphysik, Heidelberg (Germany); Physikalisch-Technische Bundesanstalt, Braunschweig (Germany)
  13. Tohoku Univ., Sendai (Japan)
  14. Elettra-Sincrotrone Trieste, Trieste (Italy)
  15. Western Michigan Univ., Kalamazoo MI (United States)
  16. Western Michigan Univ., Kalamazoo MI (United States); Univ. of Connecticut, Storrs, CT (United States)
+ Show Author Affiliations

Competing multi-photon ionization processes, some leading to the formation of double core hole states, have been examined in 4-aminophenol. The experiments used the linac coherent light source (LCLS) x-ray free electron laser, in combination with a time-of-flight magnetic bottle electron spectrometer and the correlation analysis method of covariance mapping. Furthermore, the results imply that 4-aminophenol molecules exposed to the focused x-ray pulses of the LCLS sequentially absorb more than two x-ray photons, resulting in the formation of multiple core holes as well as in the sequential removal of photoelectrons and Auger electrons (so-called PAPA sequences).

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1257226
Journal Information:
Journal of Physics. B, Atomic, Molecular and Optical Physics, Vol. 48, Issue 24; ISSN 0953-4075
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 16 works
Citation information provided by
Web of Science

References (30)

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Cited By (5)

Study of double core hole excitations in molecules by X-ray double-quantum-coherence signals: a multi-configuration simulation journal January 2016
Double core hole valence-to-core x-ray emission spectroscopy: A theoretical exploration using time-dependent density functional theory journal October 2019
Multiple core-hole formation by free-electron laser radiation in molecular nitrogen journal April 2018
Short-wavelength free-electron laser sources and science: a review text January 2017
Short-wavelength free-electron laser sources and science: a review journal October 2017

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Disentangling formation of multiple-core holes in aminophenol molecules exposed to bright X-FEL radiation
Journal Article · Wed Oct 28 00:00:00 EDT 2015 · Journal of Physics. B, Atomic, Molecular and Optical Physics · OSTI ID:1257226
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X-Ray Two-Photon Photoelectron Spectroscopy: A Theoretical Study of Inner-Shell Spectra of the Organic Para-Aminophenol Molecule
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Journal Article · Fri Jul 03 00:00:00 EDT 2009 · Phys. Rev. Lett. · OSTI ID:1257226

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
multiple ionization processes
double core hole
covariance mapping