An image of our Hitachi tabletop SEM and its EDS detector.

Location

MCE 1325

Specifications

  • Accommodates specimens up to 70mm diameter and 50mm thick
  • 17.5mm X/Y specimen movement
  • Approximately 1 minute pump-down time
  • Magnifications up to 30,000x sample dependent
  • Low-vacuum, charge-up reduction mode to decrease need to sputter samples
  • 5 and 15 kV accelerating voltages
  • SE, BSE and EDS modes possible

ThermoFisher Pathfinder Basecamp EDS detector

  • Silicon drift detector (SDD)
  • Spectrum, point scan, and spectral imaging (mapping)
  • More than 1,000,000 cps

Applications

  • Measure topographical features using secondary electron imaging
  • Determine phase separation of metals and ceramics
  • Image non-conductive materials without coating
  • Determine elemental separation in non-homogeneous samples (EDS)
  • Find weight and atomic percent composition down to 1% accuracy (EDS)

Training

Required Training

Sample prep and software: https://youtu.be/gJfF49mSWL4

Additional (optional) methods

EDS software (Pathfinder): https://youtu.be/-I40b7YUEVE

Scheduling

If you already have an account with us, you can find the machine on Cores under Materials Characterization - Meldrum.

If you don't have an account with us yet, please review How It Works for information on getting started.