Picosecond pump-probe X-ray scattering at the Elettra SAXS beamline

被引：16
|
作者：
Burian, Max [1 ]
Marmiroli, Benedetta [1 ]
Radeticchio, Andrea [1 ]
Morello, Christian [2 ]
Naumenko, Denys [1 ]
Biasiol, Giorgio [3 ]
Amenitsch, Heinz [1 ]
机构：
[1] Graz Univ Technol, Inst Inorgan Chem, Stremayrgasse 9N, A-8010 Graz, Austria
[2] Elettra Sincrotrone Trieste SCpA, Str Statale 14,Km 163-5, I-34149 Basovizza, TS, Italy
[3] CNR IOM, Lab TASC, Area Sci Pk, Str Statale 14,Km 163-5, I-34149 Basovizza, TS, Italy
来源：
JOURNAL OF SYNCHROTRON RADIATION | 2020年 / 27卷
基金：
欧盟地平线“2020”;
关键词：
pump-probe experiments; transient X-ray scattering; SYNCHROTRON-RADIATION; STRUCTURAL DYNAMICS; LASER; DIFFRACTION; TRANSITION; GAAS; PERFORMANCE; MODE; INAS; GASB;
D O I：
10.1107/S1600577519015728
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new setup for picosecond pump-probe X-ray scattering at the Austrian SAXS beamline at Elettra-Sincrotrone Trieste is presented. A high-power/high-repetion-rate laser has been installed on-site, delivering UV/VIS/IR femtosecond-pulses in-sync with the storage ring. Data acquisition is achieved by gating a multi-panel detector, capable of discriminating the single X-ray pulse in the dark-gap of the Elettra hybrid filling mode. Specific aspects of laser- and detection-synchronization, on-line beam steering as well protocols for spatial and temporal overlap of laser and X-ray beam are also described. The capabilities of the setup are demonstrated by studying transient heat-transfer in an In/Al/GaAs superlattice structure and results are confirmed by theoretical calculations.
引用
收藏
页码：51 / 59
页数：9
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