HERIX

HERIX is a high energy resolution (1.5 meV) 4 circle diffractometer for inelastic x-ray measurements used for phonon measurements in solids and liquids.

  • 9 momentum transfers recorded simultaneously
  • Spot size: focused horizontal x vertical = 35 um x 10 um, unfocussed = 2.4 mm x 0.4 mm
  • Energy resolution of 1.5 meV
  • Energy transfer -200 to 200 meV
  • Maximum momentum transfer of 75 nm-1
  • Momentum resolution of 0.65 nm-1 (can be improved by slits)
  • Incident energy is 23.71 keV