Proton Microprobe

  • Trace elements found in a Pacific Oyster. Clockwise from top left Ca, Sr, Br, Fe.

    Can create elemental two-dimensional maps
  • 4 by 4 mm scan area
  • Can be used for biology, environment, geology and materials science samples
  • Uses focused ion beam (< 10 µm diameter)
  • RBS, NRA, PIXE, PIGE measurements