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Title: Ultrafast structural dynamics of photo-reactions observed by time-resolved x-ray cross-correlation analysis

Journal Article · · Structural Dynamics
DOI:https://doi.org/10.1063/1.5086374· OSTI ID:1527346
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [1];  [4];  [1]; ORCiD logo [1]; ORCiD logo [5]
  1. Technical Univ. of Denmark, Lyngby (Denmark)
  2. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); National Research Nuclear Univ., Moscow (Russia). Moscow Engineering Physics Inst. (MEPhl); Univ. of California, San Diego, CA (United States)
  3. European X-ray Free-Electron Laser (XFEL), Hamburg (Germany)
  4. Technical Univ. of Denmark, Lyngby (Denmark); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); National Research Nuclear Univ., Moscow (Russia). Moscow Engineering Physics Inst. (MEPhl)

We applied angular X-ray Cross-Correlation analysis (XCCA) to scattering images from a femtosecond resolution X-ray free-electron laser pump-probe experiment with solvated PtPOP {[Pt2(P2O5H2)4]4–} metal complex molecules. The molecules were pumped with linear polarized laser pulses creating an excited state population with a preferred orientational (alignment) direction. Two time scales of 1.9 ± 1.5 ps and 46 ± 10 ps were revealed by angular XCCA associated with structural changes and rotational dephasing of the solvent molecules, respectively. These results outline the potential of XCCA to reveal hidden structural information in the analysis of time-resolved x-ray scattering data from molecules in solution.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Danish Council For Independent Research; Independent Research Fund Denmark; Russian Science Foundation
Grant/Contract Number:
AC02-76SF00515; 8021-00347B; 18-41-06001; 4002-00272B
OSTI ID:
1527346
Journal Information:
Structural Dynamics, Vol. 6, Issue 2; ISSN 2329-7778
Publisher:
American Crystallographic Association/AIPCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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Cited By (6)

Design studies of a proof-of-principle experiment on THz SASE FEL at PITZ journal November 2019
X-ray tracking of structural changes during a subnanosecond solid-solid phase transition in cobalt nanoparticles journal December 2019
Angular X-ray Cross-Correlation Analysis (AXCCA): Basic Concepts and Recent Applications to Soft Matter and Nanomaterials journal October 2019
Design Studies of a Proof-of-Principle Experiment on THz SASE FEL at PITZ text January 2019
Angular X-ray Cross-Correlation Analysis (AXCCA): Basic Concepts and Recent Applications to Soft Matter and Nanomaterials text January 2019
Design Studies of a Proof-of-Principle Experiment on THz SASE FEL at PITZ text January 2019