4D-STEM Processing and Visualization

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This repository collects approachable tools and examples for processing four-dimensional scanning transmission electron microscopy (4D-STEM) data—from diffraction-stack inspection to structural and phase-sensitive analysis.

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4D-STEM data-processing workflow — 4D-STEM processing is usually necessary to retrieve specific materials information, e.g., radial profile transformation, dark-field imaging, differential phase contrast imaging, etc.

4D-STEM radial distribution function analysis of amorphous materials — Investigation of local short-range and medium-range ordering in amorphous materials using radial distribution function (RDF) analysis.

J. Ryu, et al., Correlative study between the local atomic and electronic structures of amorphous carbon materials via 4D-STEM and STEM-EELS, Applied Physics Letters (2022).
Q. Zeng, et al., A hierarchical shell locks and stabilizes perovskite nanocrystals with near-unity quantum yield, Science (2026).

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