Omicron Nanoprobe

Nanoprobe Status

Currently the following techniques are working:

  • Scanning Electron Microscope
    • can be cooled to <120K or heated to 400K while imaging
  • Scanning Auger Microscopy
  • 4-point probe measurements
  • Low Energy Electron Diffraction (LEED)
  • Temperature Programmed Desorption (mass spectrometer)
  • Heating to >1000 K in preparation chamber
  • Sputtering in preparation chamber


Settings

LEED

Z=2.5 ; R=340 ; X = 14 ; Y = 15

Working Distance = 25mm

Suppressor = -20V

L2 = 50V; L1/3 = 38V; L2=50 V

IE = 0.189 ; IO = 2.60 uA ; Wehnelt = 0.02

Filament Current = 1.219 - 1.6 A

Beam = ~100 V

Sputtering

Z=136 ; R=0 ; X=15 ; Y=17.50