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  X-ray Emission Spectroscopy at X-ray Free Electron Lasers: Limits to Observation of the Classical Spectroscopic Response for Electronic Structure Analysis

Jensen, S. C., Sullivan, B., Hartzler, D. A., Aguilar, J. M., Awel, S., Bajt, S., et al. (2019). X-ray Emission Spectroscopy at X-ray Free Electron Lasers: Limits to Observation of the Classical Spectroscopic Response for Electronic Structure Analysis. The Journal of Physical Chemistry Letters, 10(3), 441-446. doi:10.1021/acs.jpclett.8b03595.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-1246-A Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1247-9
Genre: Journal Article

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https://dx.doi.org/10.1021/acs.jpclett.8b03595 (Publisher version)
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 Creators:
Jensen, S. C.1, Author
Sullivan, B.1, Author
Hartzler, D. A.1, Author
Aguilar, J. M.1, Author
Awel, S.1, Author
Bajt, S.1, Author
Basu, S.1, Author
Bean, R.1, Author
Chapman, H. N.1, Author
Conrad, C.1, Author
Frank, M.1, Author
Fromme, R.1, Author
Martin-Garcia, J. M.1, Author
Grant, T. D.1, Author
Heymann, M.1, Author
Hunter, M. S.1, Author
Ketawala, G.1, Author
Kirian, R. A.1, Author
Knoska, J.1, Author
Kupitz, C.1, Author
Li, X.1, AuthorLiang, M.1, AuthorLisova, S.1, AuthorMariani, V.1, AuthorMazalova, V.1, AuthorMesserschmidt, M.1, AuthorMoran, M.1, AuthorNelson, G.1, AuthorOberthür, D.1, AuthorSchaffer, A.1, AuthorSierra, R. G.1, AuthorVaughn, N.1, AuthorWeierstall, U.1, AuthorWiedorn, M. O.1, AuthorPaulraj, L. X.2, 3, 4, 5, Author              Yang, J.-H.1, AuthorYefanov, O.1, AuthorZatsepin, N. A.1, AuthorAquila, A.1, AuthorFromme, P.1, AuthorBoutet, S.1, AuthorSeidler, G. T.1, AuthorPushkar, Y.1, Author more..
Affiliations:
1external, ou_persistent22              
2Center for Free-Electron Laser Science, ou_persistent22              
3 SLAC National Accelerator Laboratory, ou_persistent22              
4Max-Planck Institute for the Structure and Dynamics of Matter, ou_persistent22              
5International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              

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 Abstract: X-ray free electron lasers (XFELs) provide ultrashort intense X-ray pulses suitable to probe electron dynamics but can also induce a multitude of nonlinear excitation processes. These affect spectroscopic measurements and interpretation, particularly for upcoming brighter XFELs. Here we identify and discuss the limits to observing classical spectroscopy, where only one photon is absorbed per atom for a Mn2+ in a light element (O, C, H) environment. X-ray emission spectroscopy (XES) with different incident photon energies, pulse intensities, and pulse durations is presented. A rate equation model based on sequential ionization and relaxation events is used to calculate populations of multiply ionized states during a single pulse and to explain the observed X-ray induced spectral lines shifts. This model provides easy estimation of spectral shifts, which is essential for experimental designs at XFELs and illustrates that shorter X-ray pulses will not overcome sequential ionization but can reduce electron cascade effects.

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Language(s): eng - English
 Dates: 2018-11-292018-12-192018-12-192019-02-07
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1021/acs.jpclett.8b03595
 Degree: -

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Title: The Journal of Physical Chemistry Letters
  Abbreviation : J. Phys. Chem. Lett.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 10 (3) Sequence Number: - Start / End Page: 441 - 446 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/1948-7185