Proposal of X-ray absorption spectroscopy and magnetic circular dichroism using broadband free-electron lasers.

  title={Proposal of X-ray absorption spectroscopy and magnetic circular dichroism using broadband free-electron lasers.},
  author={Bangjie Deng and Jiawei Yan and Qingmin Zhang and Yaodong Sang and Haixiao Deng},
  journal={Journal of synchrotron radiation},
  volume={26 Pt 1},
X-ray free-electron lasers (XFELs) have been widely used for applications such as X-ray crystallography and magnetic spin probes because of their unprecedented performance. Recently, time-resolved X-ray magnetic circular dichroism (XMCD) with ultrafast XFEL pulses have made it possible to achieve an instantaneous view of atomic de-excitation. However, owing to the narrow bandwidth and coherence of XFELs, X-ray absorption spectroscopy (XAS) and XMCD are time- and effort-consuming for both… 

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