Ultrafast X-ray Photochemistry at European XFEL: Capabilities of the Femtosecond X-ray Experiments (FXE) Instrument

被引：51

作者：

Khakhulin, Dmitry ^{[1
,2
]}

Otte, Florian ^{[1
,3
]}

Biednov, Mykola ^{[1
]}

Boemer, Christina ^{[1
]}

Choi, Tae-Kyu ^{[1
]}

Diez, Michael ^{[1
]}

Galler, Andreas ^{[1
]}

Jiang, Yifeng ^{[1
]}

Kubicek, Katharina ^{[1
]}

Lima, Frederico Alves ^{[1
]}

Rodriguez-Fernandez, Angel ^{[1
]}

Zalden, Peter ^{[1
,2
]}

Gawelda, Wojciech ^{[1
,4
]}

Bressler, Christian ^{[1
,2
]}

机构：

[1] European XFEL, Holzkoppel 4, D-22869 Schenefeld, Germany

[2] Hamburg Ctr Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany

[3] Tech Univ Dortmund, Fak Phys, Otto Hahn Str 4, D-44227 Dortmund, Germany

[4] Adam Mickiewicz Univ, Fac Phys, Ul Uniwersytetu Poznanskiego 2, PL-61614 Poznan, Poland

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 03期

基金：

欧盟地平线“2020”;

关键词：

time-resolved X-ray studies; XANES; EXAFS; X-ray diffraction; wide-angle X-ray scattering; RIXS; XRR; EXCITED-STATE RELAXATION; FREE-ELECTRON LASER; SPIN-CROSSOVER; ABSORPTION SPECTROSCOPY; EMISSION SPECTROSCOPY; SOLVATION DYNAMICS; CHARGE-TRANSFER; SCATTERING; PROBE; COMPLEXES;

D O I：

10.3390/app10030995

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Time-resolved X-ray methods are widely used for monitoring transient intermediates over the course of photochemical reactions. Ultrafast X-ray absorption and emission spectroscopies as well as elastic X-ray scattering deliver detailed electronic and structural information on chemical dynamics in the solution phase. In this work, we describe the opportunities at the Femtosecond X-ray Experiments (FXE) instrument of European XFEL. Guided by the idea of combining spectroscopic and scattering techniques in one experiment, the FXE instrument has completed the initial commissioning phase for most of its components and performed first successful experiments within the baseline capabilities. This is demonstrated by its currently 115 fs (FWHM) temporal resolution to acquire ultrafast X-ray emission spectra by simultaneously recording iron K alpha and K beta lines, next to wide angle X-ray scattering patterns on a photoexcited aqueous solution of [Fe(bpy)(3)](2+), a transition metal model compound.

引用

页数：15

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