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Title: Retrieving transient conformational molecular structure information from inner-shell photoionization of laser-aligned molecules

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep23655· OSTI ID:1255121
 [1];  [1];  [2];  [3];  [1]
  1. Kansas State Univ., Manhattan, KS (United States)
  2. Nanjing Univ. of Science and Technology, Jiangsu (People's Republic of China)
  3. Texas A & M Univ., College Station, TX (United States)

We discuss a scheme to retrieve transient conformational molecular structure information using photoelectron angular distributions (PADs) that have averaged over partial alignments of isolated molecules. The photoelectron is pulled out from a localized inner-shell molecular orbital by an X-ray photon. We show that a transient change in the atomic positions from their equilibrium will lead to a sensitive change in the alignment-averaged PADs, which can be measured and used to retrieve the former. Exploiting the experimental convenience of changing the photon polarization direction, we show that it is advantageous to use PADs obtained from multiple photon polarization directions. A simple single-scattering model is proposed and benchmarked to describe the photoionization process and to do the retrieval using a multiple-parameter fitting method.

Research Organization:
Kansas State Univ., Manhattan, KS (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-86ER13491
OSTI ID:
1255121
Alternate ID(s):
OSTI ID: 1461106
Journal Information:
Scientific Reports, Vol. 6; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright 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 (5)

Unraveling nonadiabatic ionization and Coulomb potential effect in strong-field photoelectron holography journal June 2016
Structure determination of molecules in an alignment laser field by femtosecond photoelectron diffraction using an X-ray free-electron laser journal December 2016
Theoretical study of ultrafast x-ray photoelectron diffraction from molecules undergoing photodissociation journal March 2018
Time-resolved photoelectron angular distributions from nonadiabatically aligned CO 2 molecules with SX-FEL at SACLA journal November 2018
Improved molecular structure retrieval method for photoelectron holography journal December 2019