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Title: Towards ultrafast dynamics with split-pulse X-ray photon correlation spectroscopy at free electron laser sources

Journal Article · · Nature Communications
 [1];  [2]; ORCiD logo [3];  [1];  [1];  [4];  [5];  [6]; ORCiD logo [6];  [7]; ORCiD logo [7]; ORCiD logo [7];  [2];  [8];  [2];  [3]
  1. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  3. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); The Hamburg Centre for Ultrafast Imaging (Germany)
  4. Korea Research Inst. of Standards and Science (KRISS), Daejeon (Korea, Republic of). Frontier in Extreme Physics; Univ. of Science and Technology, Daejeon (Korea, Republic of). Dept. of Nanoscience
  5. Osaka Univ. (Japan). Dept. of Precision Science and Technology. Graduate School of Engineering
  6. PNSensor GmbH, Munich (Germany)
  7. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source
  8. McGill Univ., Montreal, QC (Canada). Dept. of Physics

One of the important challenges in condensed matter science is to understand ultrafast, atomic-scale fluctuations that dictate dynamic processes in equilibrium and non-equilibrium materials. Here, we report an important step towards reaching that goal by using a state-of-the-art perfect crystal based split-and-delay system, capable of splitting individual X-ray pulses and introducing femtosecond to nanosecond time delays. We show the results of an ultrafast hard X-ray photon correlation spectroscopy experiment at LCLS where split X-ray pulses were used to measure the dynamics of gold nanoparticles suspended in hexane. We show how reliable speckle contrast values can be extracted even from very low intensity free electron laser (FEL) speckle patterns by applying maximum likelihood fitting, thus demonstrating the potential of a split-and-delay approach for dynamics measurements at FEL sources. This will enable the characterization of equilibrium and, importantly also reversible non-equilibrium processes in atomically disordered materials.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Korea Research Inst. of Standards and Science (KRISS), Daejeon (Korea, Republic of)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); German Research Foundation (DFG); National Research Foundation of Korea (NRF)
Grant/Contract Number:
AC02-06CH11357; AC02-76SF00515; NRF-2016K1A3A7A09005386
OSTI ID:
1437360
Alternate ID(s):
OSTI ID: 1529556
Journal Information:
Nature Communications, Vol. 9; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 42 works
Citation information provided by
Web of Science

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Cited By (14)

Coherent X-ray spectroscopy reveals the persistence of island arrangements during layer-by-layer growth journal March 2019
Coherence and pulse duration characterization of the PAL-XFEL in the hard X-ray regime journal March 2019
Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delay journal March 2020
Development of a hard X-ray split-and-delay line and performance simulations for two-color pump-probe experiments at the European XFEL journal June 2018
Spatial and temporal pre-alignment of an X-ray split-and-delay unit by laser light interferometry journal April 2019
Stabilization of X-ray Beamline Optics towards Tens of Nanoradian Levels at SPring-8/SACLA journal September 2018
Compact hard X-ray split-and-delay line for studying ultrafast dynamics at free-electron laser sources journal June 2019
Dynamics of soft nanoparticle suspensions at hard X-ray FEL sources below the radiation damage threshold text January 2018
Universal link between the boson peak and transverse phonons in glass journal October 2008
Dynamics of soft nanoparticle suspensions at hard X-ray FEL sources below the radiation-damage threshold journal October 2018
Development of a hard X-ray split-and-delay line and performance simulations for two-color pump-probe experiments at the European XFEL text January 2018
Spatial and temporal pre-alignment of an X-ray split-and-delay unit by laser light interferometry text January 2019
Compact hard X-ray split-and-delay line for studying ultrafast dynamics at free-electron laser sources text January 2019
Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard split-and-delay text January 2020

Figures / Tables (4)