Ultrafast Structural Dynamics in Systems with Limited Long-Range Order through Pair Distribution Function Analysis

Lise Joost Støckler; Rasmus Baden Stubkjær; Anders Bæk Borup; Jonas Beyer; Magnus Kløve; Andreas Dueholm Bertelsen; Martin Roelsgaard; Seiya Takahashi; Eiji Nishibori; Jungmin Kang; Ichiro Inoue; Bo Brummerstedt Iversen

doi:10.18957/rr.14.2.162

Section SACLA

Ultrafast Structural Dynamics in Systems with Limited Long-Range Order through Pair Distribution Function Analysis

Lise Joost Støckler, Rasmus Baden Stubkjær, Anders Bæk Borup, Jonas Beyer, Magnus Kløve, Andreas Dueholm Bertelsen, Martin Roelsgaard, Seiya Takahashi, Eiji Nishibori, Jungmin Kang, Ichiro Inoue, Bo Brummerstedt Iversen

著者情報

キーワード: PDF Analysis, Structural Dynamics, Method Development, Photoactivated Materials, 2023A8002, EH2, BL3

ジャーナルオープンアクセス

2026 年 14 巻 2 号 p. 162-169

DOI https://doi.org/10.18957/rr.14.2.162

詳細

抄録

　Pump-probe Pair Distribution Function (PDF) techniques to capture ultrafast structural dynamics in systems with limited long-range order at XFELs have seen little progress due to limited spatial resolution (Q_max). To increase the Q-coverage, a detector setup was conceptualized, and a data treatment pipeline was developed. Unfortunately, several critical issues were encountered during the experiment, causing the Q_max-value to improve only marginally compared to previous records (~10 Å^-1 compared to ~8 Å^-1).[1] Although this hindered the extraction of reliable time-resolved results, observations of structural changes from pump-probe PDF experiments at SACLA seem to be within reach if the experimental conditions can be optimized slightly.[2]

責任著者(Corresponding author)

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