no previous  next
1 of 6
Home > Instruments > Ion Beam

Photo of instrument

Surface and Thin-Film Analysis

Ion Beam Analysis

Location:  202 Shepherd Labs

Contacts:  Greg Haugsted

Specifications:

Ion beam specifications:
  • Accelerator terminal voltage tunable from 80 kV to 1.7 MV (source injection voltage is up to 30 kV).
  • H+, He+ and He++ beams in standard configuration with maximum energies of 3.4, 3.4 and 5.1 MeV, respectively.
  • Beam spot size from 0.2 mm to 1 mm.
  • Beam current on target up to a few tens to hundreds nA depending on ion species and energies.
  • 3He, 15N and 16O beams are also available for nuclear reaction analysis (NRA) or elastic recoil detection analysis (ERDA).

Particle detector specifications:
  • Ortec Ultra ion detectors: energy resolution of 12 keV
  • Kevex Retractable Si(Li) X-ray detector with 5 mm Be-window: energy resolution of 145 eV.
  • Canberra 2" x 2" NaI(Tl) gamma detector: energy resolution of 6.5%.

Goniometer specifications:
  • Sample lateral movements: ± 25mm with a minimum step size of 0.001mm.
  • Tilting movements: ± 90° along vertical axis and ± 20° along horizontal axis with a minimum step of 0.01°.

more info...