ArticleNature communications2020
Mixed-state electron ptychography enables sub-angstrom resolution imaging with picometer precision at low dose.
Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed.
- Cryogenic energy storage enabled by dipole glass with unit-cell-level polar disorder.Nature nanotechnology · 2026Article
- Atomic-scale quantification of hydrogen in metal hydrides by electron ptychography.Science advances · 2026Article
- Sparse-Scan Ptychography with Hybrid-Overlap Scanning and Reference-Guided Probe Updates.Sensors (Basel, Switzerland) · 2026Article
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- 3D atomic-scale metrology of strain relaxation and roughness in Gate-All-Around transistors via electron ptychography.Nature communications · 2026Article
- Precise structure and polarization determination of HfNature communications · 2026Article
- phaser: a unified and extensible framework for fast electron ptychography.npj computational materials · 2026Article
- Interstitial oxygen order and its competition with superconductivity in LaNature materials · 2025Article
- Quantifying phase magnitudes of open-source focused-probe 4D-STEM ptychography reconstructions.Journal of microscopy · 2025Article
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- Sub-ångström resolution ptychography in a scanning electron microscope at 20 keV.Nature communications · 2025Article
- Dose-efficient cryo-electron microscopy for thick samples using tilt- corrected scanning transmission electron microscopy.Nature methods · 2025Article
- Electron ptychography reveals a ferroelectricity dominated by anion displacements.Nature materials · 2025Article
- In Situ Quantitative Imaging of Nonuniformly Distributed Molecules in Zeolites.Journal of the American Chemical Society · 2025Article
- Ptychoscopy: a user friendly experimental design tool for ptychography.Scientific reports · 2025Article
- Serial coherent diffraction imaging of dynamic samples based on inter-frame continuity.Light, science & applications · 2025Article
- Advancing atomic electron tomography with neural networks.Applied microscopy · 2025Review
- Sub-nanometer depth resolution and single dopant visualization achieved by tilt-coupled multislice electron ptychography.Nature communications · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Both high resolution and high precision are required to quantitatively determine the atomic structure of complex nanostructured materials. However, for conventional imaging methods in scanning transmission electron microscopy (STEM), atomic resolution with picometer precision cannot usually be achieved for weakly-scattering samples or radiation-sensitive materials, such as 2D materials. Here, we demonstrate low-dose, sub-angstrom resolution imaging with picometer precision using mixed-state electron ptychography. We show that correctly accounting for the partial coherence of the electron beam is a prerequisite for high-quality structural reconstructions due to the intrinsic partial coherence of the electron beam. The mixed-state reconstruction gains importance especially when simultaneously pursuing high resolution, high precision and large field-of-view imaging. Compared with conventional atomic-resolution STEM imaging techniques, the mixed-state ptychographic approach simultaneously provides a four-times-faster acquisition, with double the information limit at the same dose, or up to a fifty-fold reduction in dose at the same resolution.
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