表面等离子体共振和X射线吸收光谱的同步研究
Simultaneous Surface Plasmon Resonance and X-ray Absorption Spectroscopy
摘要：
本文介绍了一种在同步辐射光束线上同时测量表面等离子体共振和X射线吸收光谱的实验装置。该系统允许在原位和实时测量的影响，X射线照射的SPR曲线，探索X射线与物质的相互作用。还可以在激发SPR的同时记录XAS光谱，以检测由表面等离子体激元的激发引起的薄膜的电子构型的变化。可以进行扫描不同参数同时记录SPR和XAS曲线的组合实验。SPR和XAS光谱的相对变化，可以检测到与此设置的范围从10-3到10-5，这取决于特定的实验。
英文摘要：
We present here an experimental set-up to perform simultaneously measurements of surface plasmon resonance (SPR) and X-ray absorption spectroscopy (XAS) in a synchrotron beamline. The system allows measuring in situ and in real time the effect of X-ray irradiation on the SPR curves to explore the interaction of X-rays with matter. It is also possible to record XAS spectra while exciting SPR in order to detect the changes in the electronic configuration of thin films induced by the excitation of surface plasmons. Combined experiments recording simultaneously SPR and XAS curves while scanning different parameters can be carried out. The relative variations in the SPR and XAS spectra that can be detected with this set-up ranges from 10-3 to 10-5, depending on the particular experiment.
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