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2023 MRS Fall Meeting & Exhibit
Tutorial CH02—Experiment and Simulation Methods in 4D STEM
Hynes, Level 2, Room 201
The overall objectives of this tutorial is for researchers, who are not familiar with this technique, to be able to conduct the experiments, process/analyze the data, and utilize the technique to their research.
Instructors: Colin Ophus, Lawrence Berkeley National Laboratory; Yao Yang, Cornell University; Steven Zeltmann, Cornell University; Stephanie Ribet, Northwestern University
With the introduction of extremely high speed direct electron detectors, a full image of the diffracted electron probe at each position can be collected, producing a four-dimensional dataset (a 4D-STEM experiment). The overall objectives of this tutorial is for researchers, who are not familiar with this technique, to be able to conduct the experiments, process/analyze the data, and utilize the technique to their research. Specifically, the researchers will learn the fundamental principles of 4D-STEM, experimental procedures, factors that affect the accuracy of the results, data processing, simulation methods, challenges, and opportunities created by 4D-STEM.
