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Probing laser-driven surface and subsurface dynamics via grazing-incidence XFEL scattering and diffraction

Fuente: arXiv

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Bibliographic Details
Main Authors:	Randolph, Lisa, Öztürk, Özgül, Ksenzov, Dmitriy, Huang, Lingen, Kluge, Thomas, Rahul, S. V., Bouffetier, Victorien, Baehtz, Carsten, Banjafar, Mohammadreza, Brambrink, Erik, Brieuc, Fabien, Cho, Byoung Ick, Göde, Sebastian, Held, Tobias, Höppner, Hauke, Jakob, Gerhard, Kläui, Mathias, Konôpková, Zuzana, Lee, Changhoo, Lee, Gyusang, Makita, Mikako, Mishchenko, Mikhail, Mo, Mianzhen, Ndione, Pascal D., Paulus, Michael, Pelka, Alexander, Paschke-Bruehl, Franziska, Preston, Thomas R., Rethfeld, Baerbel, Rödel, Christian, Šmíd, Michal, Wang, Ling, Weber, Sebastian T., Wollenweber, Lennart, Schwinkendorf, Jan-Patrick, Gutt, Christian, Nakatsutsumi, Motoaki
Format:	Preprint
Published:	2025
Subjects:	Optics Applied Physics Instrumentation and Detectors Plasma Physics
Online Access:	Acceder al recurso
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_version_	1866915495438974976
author	Randolph, Lisa Öztürk, Özgül Ksenzov, Dmitriy Huang, Lingen Kluge, Thomas Rahul, S. V. Bouffetier, Victorien Baehtz, Carsten Banjafar, Mohammadreza Brambrink, Erik Brieuc, Fabien Cho, Byoung Ick Göde, Sebastian Held, Tobias Höppner, Hauke Jakob, Gerhard Kläui, Mathias Konôpková, Zuzana Lee, Changhoo Lee, Gyusang Makita, Mikako Mishchenko, Mikhail Mo, Mianzhen Ndione, Pascal D. Paulus, Michael Pelka, Alexander Paschke-Bruehl, Franziska Preston, Thomas R. Rethfeld, Baerbel Rödel, Christian Šmíd, Michal Wang, Ling Weber, Sebastian T. Wollenweber, Lennart Schwinkendorf, Jan-Patrick Gutt, Christian Nakatsutsumi, Motoaki
author_facet	Randolph, Lisa Öztürk, Özgül Ksenzov, Dmitriy Huang, Lingen Kluge, Thomas Rahul, S. V. Bouffetier, Victorien Baehtz, Carsten Banjafar, Mohammadreza Brambrink, Erik Brieuc, Fabien Cho, Byoung Ick Göde, Sebastian Held, Tobias Höppner, Hauke Jakob, Gerhard Kläui, Mathias Konôpková, Zuzana Lee, Changhoo Lee, Gyusang Makita, Mikako Mishchenko, Mikhail Mo, Mianzhen Ndione, Pascal D. Paulus, Michael Pelka, Alexander Paschke-Bruehl, Franziska Preston, Thomas R. Rethfeld, Baerbel Rödel, Christian Šmíd, Michal Wang, Ling Weber, Sebastian T. Wollenweber, Lennart Schwinkendorf, Jan-Patrick Gutt, Christian Nakatsutsumi, Motoaki
contents	We demonstrate a grazing-incidence x-ray platform that simultaneously records time-resolved grazing-incidence small-angle x-ray scattering (GISAXS) and grazing-incidence x-ray diffraction (GID) from a femtosecond laser-irradiated gold film above the melting threshold, with picosecond resolution at an x-ray free-electron laser (XFEL). By tuning the x-ray incidence angle, the probe depth is set to tens of nanometers, enabling depth-selective sensitivity to near-surface dynamics. GISAXS resolves ultrafast changes in surface nanomorphology (correlation length, roughness), while GID quantifies subsurface lattice compression, grain orientation, melting, and recrystallization. The approach overcomes photon-flux limitations of synchrotron grazing-incidence geometries and provides stringent, time-resolved benchmarks for complex theoretical models of ultrafast laser-matter interaction and warm dense matter. Looking ahead, the same depth-selective methodology is well suited to inertial confinement fusion (ICF): it can visualize buried-interface perturbations and interfacial thermal resistance on micron to sub-micron scales that affect instability seeding and burn propagation.
format	Preprint
id	arxiv_https___arxiv_org_abs_2509_12015
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Probing laser-driven surface and subsurface dynamics via grazing-incidence XFEL scattering and diffraction Randolph, Lisa Öztürk, Özgül Ksenzov, Dmitriy Huang, Lingen Kluge, Thomas Rahul, S. V. Bouffetier, Victorien Baehtz, Carsten Banjafar, Mohammadreza Brambrink, Erik Brieuc, Fabien Cho, Byoung Ick Göde, Sebastian Held, Tobias Höppner, Hauke Jakob, Gerhard Kläui, Mathias Konôpková, Zuzana Lee, Changhoo Lee, Gyusang Makita, Mikako Mishchenko, Mikhail Mo, Mianzhen Ndione, Pascal D. Paulus, Michael Pelka, Alexander Paschke-Bruehl, Franziska Preston, Thomas R. Rethfeld, Baerbel Rödel, Christian Šmíd, Michal Wang, Ling Weber, Sebastian T. Wollenweber, Lennart Schwinkendorf, Jan-Patrick Gutt, Christian Nakatsutsumi, Motoaki Optics Applied Physics Instrumentation and Detectors Plasma Physics We demonstrate a grazing-incidence x-ray platform that simultaneously records time-resolved grazing-incidence small-angle x-ray scattering (GISAXS) and grazing-incidence x-ray diffraction (GID) from a femtosecond laser-irradiated gold film above the melting threshold, with picosecond resolution at an x-ray free-electron laser (XFEL). By tuning the x-ray incidence angle, the probe depth is set to tens of nanometers, enabling depth-selective sensitivity to near-surface dynamics. GISAXS resolves ultrafast changes in surface nanomorphology (correlation length, roughness), while GID quantifies subsurface lattice compression, grain orientation, melting, and recrystallization. The approach overcomes photon-flux limitations of synchrotron grazing-incidence geometries and provides stringent, time-resolved benchmarks for complex theoretical models of ultrafast laser-matter interaction and warm dense matter. Looking ahead, the same depth-selective methodology is well suited to inertial confinement fusion (ICF): it can visualize buried-interface perturbations and interfacial thermal resistance on micron to sub-micron scales that affect instability seeding and burn propagation.
title	Probing laser-driven surface and subsurface dynamics via grazing-incidence XFEL scattering and diffraction
topic	Optics Applied Physics Instrumentation and Detectors Plasma Physics
url	https://arxiv.org/abs/2509.12015