TEM: Thermo Fisher Spectra Double-Corrected Transmission Electron Microscope

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Overview

SNSF is commissioning a new state-of-the-art Thermo Fisher Spectra 300 monochromated, double-corrected transmission electron microscope in January 2023. The main features of the TEM are:

• Accelerating Voltages at 30, 60, 80, and 300 kV
• High Brightness Schottky field emission gun ( X-FEG)
• Monochromator
• Cs CETCOR/S-CORR double correctors
• Advanced STEM imaging, 4k×4k STEM data acquisition, EMPAD, 4D STEM
• SuperX energy dispersive spectroscopy (EDS ) detectors
• Ceta-S camera with speed enhancement capabilities
• Gatan K3 camera for low dose imaging
• Electron energy loss spectroscopy (EELS) with dual EELS GIF continuum spectrometer
• TEM, STEM, and EDS tomography with acquisition, reconstruction (Inspect3D) and analysis (Avizo) softwares

Instrument Resolution:

• Information Limit  (TEM mode): 0.7 Å
• Probe resolution (STEM mode): 0.5 Å
• Energy resolution at 300 kV (with monochromator): 110 meV
• Energy resolution at 60 kV (with monochromator): 20 meV

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