Simultaneous Surface Plasmon Resonance and X-ray Absorption Spectroscopy

Details Simultaneous Surface Plasmon Resonance and X-ray Absorption Spectroscopy Simultaneous Surface Plasmon Resonance and X-ray Absorption Spectroscopy

2012-04-19

arxiv.org/abs/1204.4276v1

Physics

Instrumentation and Detectors

Scientific paper

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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