Journal Article

PUBDB-2024-01923

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png High-pressure X-ray photon correlation spectroscopy at fourth-generation synchrotron sources

Cornet, A. (Corresponding author)Extern* ; Ronca, A. (Corresponding author)Extern* ; SHEN, J.Extern* ; Zontone, F.Extern* ; Chushkin, Y.Extern* ; Cammarata, M.Extern*XFEL.EU* ; Garbarino, G. ; Sprung, M.XFEL.EU*DESY* ; Westermeier, F.XFEL.EU*DESY* ; Deschamps, T.Extern* ; Ruta, B. (Corresponding author)Extern*

2024
Wiley-Blackwell [Erscheinungsort nicht ermittelbar]

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Please use a persistent id in citations: doi:10.1107/S1600577524001784  doi:10.3204/PUBDB-2024-01923

Abstract: A new experimental setup combining X-ray photon correlation spectroscopy (XPCS) in the hard X-ray regime and a high-pressure sample environment has been developed to monitor the pressure dependence of the internal motion of complex systems down to the atomic scale in the multi-gigapascal range, from room temperature to 600 K. The high flux of coherent high-energy X-rays at fourth-generation synchrotron sources solves the problems caused by the absorption of diamond anvil cells used to generate high pressure, enabling the measurement of the intermediate scattering function over six orders of magnitude in time, from 10 3 s to 103 s. The constraints posed by the high-pressure generation such as the preservation of X-ray coherence, as well as the sample, pressure and temperature stability, are discussed, and the feasibility of high-pressure XPCS is demonstrated through results obtained on metallic glasses.

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Contributing Institute(s):

1. FS Photon Science (PhotonScience)

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. FS-Proposal: I-20221106 EC (I-20221106-EC) (I-20221106-EC)
4. CoherentGlasses - A coherent view of Glasses: How coherent x-rays can elucidate the complex dynamics of glasses (948780) (948780)

Experiment(s):

1. PETRA Beamline P10 (PETRA III)

Appears in the scientific report 2024

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