Journal Article

PUBDB-2020-04740

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Nanosecond X-ray photon correlation spectroscopy using pulse time structure of a storage-ring source

Jo, W. (First author)DESY* ; Westermeier, F.DESY* ; Rysov, R.DESY* ; Leupold, O.DESY* ; Schulz, F.Extern* ; Tober, S.DESY* ; Markmann, V.DESY* ; Sprung, M.DESY* ; Ricci, A.Extern* ; Laurus, T.CFEL*DESY* ; Allah Gholi, A.CFEL*Extern*XFEL.EU* ; Klujev, A.CFEL*DESY* ; Trunk, U.CFEL*DESY* ; Graafsma, H.CFEL*DESY* ; Gruebel, G.DESY* ; Roseker, W. (Corresponding author)DESY*

2021
Chester

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Please use a persistent id in citations: doi:10.1107/S2052252520015778  doi:10.3204/PUBDB-2020-04740

Abstract: X-ray photon correlation spectroscopy (XPCS) is a routine technique to study slow dynamics in complex systems at storage-ring sources. Achieving nanosecond time resolution with the conventional XPCS technique is, however, still an experimentally challenging task requiring fast detectors and sufficient photon flux. Here, the result of a nanosecond XPCS study of fast colloidal dynamics is shown by employing an adaptive gain integrating pixel detector (AGIPD) operated at frame rates of the intrinsic pulse structure of the storage ring. Correlation functions from single-pulse speckle patterns with the shortest correlation time of 192 ns have been calculated. These studies provide an important step towards routine fast XPCS studies at storage rings.

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Contributing Institute(s):

1. Coherent X-ray Scattering (FS-CXS)
2. FS-Photon Science (FS-PS)
3. Experimentebetreuung PETRA III (FS-PET-S)
4. Nanolab (FS-NL)
5. FS-DS (CFEL-DRD)

Research Program(s):

1. 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) (POF4-632)
2. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
3. DFG project 194651731 - EXC 1074: Hamburger Zentrum für ultraschnelle Beobachtung (CUI): Struktur, Dynamik und Kontrolle von Materie auf atomarer Skala (194651731) (194651731)
4. DFG project 390715994 - EXC 2056: CUI: Advanced Imaging of Matter (390715994) (390715994)

Experiment(s):

1. PETRA Beamline P10 (PETRA III)

Appears in the scientific report 2021

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