Thermo Fisher (formerly FEI) Titan Themis G2 200 Probe Cs Corrected Scanning Transmission Electron Microscope (STEM)

The Thermo Fisher Scientific (formerly FEI) Titan Themis G2 200 Probe Cs Corrected Scanning Transmission Electron Microscope (STEM) is one of the most advanced electron microscopy platforms.  It provides high-throughput sub-Angstrom imaging and spectroscopy for atomic 2D and 3D analysis. It combines proven spherical aberration (Cs) corrector, sensitive ChemiSTEM™ technology with an enhanced piezo stage for rapid, easy access to atomic scale information for researchers in materials science.

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SPECIFICATIONS (Highlights):

  • Accelerating voltages: 80 and 200 kV
  • Ultra stable, high brightness X-FEG (brightness: 1.8 x 109 A/cm2/sr)
  • X-FEG probe current: 0.9 nA in 0.2 nm spot and 14 nA in 1 nm spot
  • Cs DCOR probe corrector for sub- Å resolution in STEM mode
  • TEM point resolution and information limit: < 0.11 nm
  • STEM resolution: 70 pm (Cs corrected)
  • EDS energy resolution (Windowless Super-X EDS detector system with output count rate up to 200 kcps):
    • ≤ 136 eV for Mn-Kα and 10 kcps (output)
    • ≤ 140 eV for Mn-Kα and 100 kcps (output)
  • Detectors:
    • High angle angular dark field (HAADF) detector for STEM
    • 4 on-axis ADF/BF detectors including 4 Quadrant ADF for differential phase contrast (DPC) imaging
    • Ceta 16M CMOS camera
  • Specimen Holders:
    • FEI CompuStage single tilt holder
    • FEI CompuStage high-visibility, low-background double tilt holder (±35° tilt range for alpha and ±30° tilt range for beta)
    • Fischione tomography holder model 2020 (up to ±70°)

Installation images are available, feel free to take a look at the building of this equipment.

Photo of the AC-TEM 

General Documentation

 

Titan Themis STEM SOP (standard operation procedure)

Titan Themis TEM SOP (standard operation procedure)

 

Contact

Susheng Tan

 

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Equipment Fee

Fabrication Service 5