[PDF][PDF] Iterative Phase Retrieval Methods for Weakly Scattering Signals: Transfer of Information and Efficient Regularization

G Varnavides, S Ribet, R Yalisove… - BIO Web of …, 2024 - bio-conferences.org
When a converged electron probe is scanned across a thin sample, it acquires phase-shifts
due to sample interactions which scatter the incident electron wavefunction. Reconstructing …

Exploring the 3D Resolution of Parallax Phase Reconstruction from 4D STEM: A Dopant Depth Case Study

EWC Terzoudis-Lumsden, TC Petersen… - Microscopy and …, 2022 - cambridge.org
Fast-readout pixelated detectors record diffraction patterns at each probe position in a two-
dimensional (2D), atomic-resolution raster-scan across a sample (Fig. 1. a). This 4D …

Virtual imaging enabled by scattering matrix reconstruction from 4D Scanning Transmission Electron Microscopy

EWC Terzoudis-Lumsden, TC Petersen… - … A-FOUNDATION AND …, 2023 - journals.iucr.org
Four-dimensional scanning transmission electron microscopy (4D-STEM) enabled by fast-
readout pixelated detectors lets us record the complete diffraction pattern at each probe …