Three-dimensional chemical mapping by scanning transmission X-ray spectromicroscopy.

  title={Three-dimensional chemical mapping by scanning transmission X-ray spectromicroscopy.},
  author={G{\"o}ran A. Johansson and Tolek Tyliszczak and Gary E. Mitchell and Melinda H. Keefe and Adam P Hitchcock},
  journal={Journal of synchrotron radiation},
  volume={14 Pt 5},
Three-dimensional (3-d) chemical mapping using angle-scan tomography in a scanning transmission X-ray microscope is demonstrated. Apparatus, experimental procedures and data processing are presented and the 3-d spatial resolution is evaluated. The technique is illustrated using mapping of a low-density acrylate polyelectrolyte in and outside of polystyrene microspheres dispersed in water in a 4 microm-diameter microcapillary. The 3-d chemical visualization provides information about the… CONTINUE READING

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