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Updated: Feb 23, 2026

Strategies for Optimization of Cryogenic Electron Tomography Data Acquisition
Published on: March 19, 2021
Optimization of monochromated TEM for ultimate resolution imaging and ultrahigh resolution electron energy loss
Sergei Lopatin1, Bin Cheng2, Wei-Ting Liu3
1Imaging and Characterization Core Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.
Abstract:
The performance of a monochromated transmission electron microscope with Wien type monochromator is optimized to achieve an extremely narrow energy spread of electron beam and an ultrahigh energy resolution with spectroscopy. The energy spread in the beam is improved by almost an order of magnitude as compared to specified values. The optimization involves both the monochromator and the electron energy loss detection system. We demonstrate boosted capability of optimized systems with respect to ultra-low loss EELS and sub-angstrom resolution imaging (in a combination with spherical aberration correction).
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