Home / Equipment / Tecnai F20 (FEI)


Karl Weiss
Research Professional Sr

Dan Thompson
Contact for Industry, Tech Marketing and Sales Coordinator

Tecnai F20 (FEI)

The FEI Tecnai F20 is equipped with a differentially pumped environmental cell for in situ studies of gas-solid reaction kinetics and mechanisms. This system can handle gas pressures up to 10 torr, has both heating (800°C) and cooling (liquid helium) holders for controlled-temperature studies, and is equipped with a post-column Gatan Imaging FilterTM (GIF) for electron energy-loss spectroscopy and energy-filtered diffraction and imaging.



  • Imaging Modes: TEM/STEM
  • Accel. Voltage: 200KV
  • Cs: 1.2mm
  • PTP Resolution: 0.24nm
  • Information Limit: 0.14nm
  • Source: Field Emission
  • Tilt Range: ± 30° (normal holder)
  • Tilt Range: ± 70° (special holder)


Ancillary Equipment

  • CCD Camera
  • Video Camera
  • GatanTM Imaging Filter
  • Environmental Cell
  • Single-Tilt Heating Stage
  • Double-Tilt Heating Stage (800° C)
  • Cold Stage (LN2)



Cost for ASU Internal Cost for ASU Internal with Staff Assistance Cost for Other Academic/Non-Profit Cost for Other Academic/Non-Profit with Staff Assistance
$45 $80 $90 $165

Training Requirements

All training is currently being scheduled by Karl Weiss, Karl.Weiss@asu.edu (480)965-3831

Note: All users must attend the ASU Lab Safety and Fire Safety courses prior to using any CHREM facility.


Emergency Information

See ASU Emergency Procedures and Information for emergency procedures for any of the following: Personal Threat or Assault, Power Outage, Major Accidents, Flooding, Hazardous Materials Incident, Radiation Spills, Biological Spills, Suspicious Packages, Natural Disaster & Inclement Weather, Bomb Threat, Evacuation, Medical Emergency, Personal Injury, and Fire.

Emergency Phone Numbers

In an emergency, dial 911 from any campus or other phone.

Call the General ASU Emergency Information Phone at 7-9911 (on-campus phone) or 480-727-9911 or toll-free 877-278-2785 (877-ASU-ASU5) to get a recorded message. For non-emergencies, The ASU Department of Public Safety office can be reached at 5-3465 (on-campus phone) or 480-965-3465.

Users must attend the ASU Lab Safety and Fire Safety courses prior to using any LE-CSSS facility.