Soft X-ray ptychography as a tool for in operando morphochemical studies of electrodeposition processes with nanometric lateral resolution
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electron Spectroscopy and Related Phenomena"
DOI: 10.1016/j.elspec.2017.01.004
Abstract: Highlights • Pulse-plating of Mn-oxide/polypyrrole nanocomposite studied in situ by ptychography. • Electrocrystallization followed in operando by dynamic coherent diffractive imaging. • Morphology and chemical state evolutions monitored in situ during electrodeposition. • Spectroscopic ptychography… read more here.
Keywords: resolution; chemical state; lateral resolution; ptychography ... See more keywords
Multislice Imaging of Integrated Circuits by X-ray Ptychography
Sign Up to like & getrecommendations! Published in 2018 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927618012552
Abstract: X-ray ptychography is a scanning type of coherent X-ray diffraction imaging based on iterative phase retrieval of multiple diffraction patterns, and provides internal information of a sample at a high spatial resolution potentially better than… read more here.
Keywords: imaging integrated; ptychography; multislice imaging; spatial resolution ... See more keywords
Electromagnetic Field Reconstructions of 4D-STEM Datasets using Ptychography and Differential Phase Contrast Imaging
Sign Up to like & getrecommendations! Published in 2019 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927619001065
Abstract: The development of fast acquisition cameras allows for the collection of a series of convergent beam electron diffraction (CBED) patterns at each scanning position during conventional STEM at a speed as fast as s/frame. Thus,… read more here.
Keywords: field; differential phase; stem dataset; stem ... See more keywords
Efficient Phase-contrast Imaging via Mixed-state Electron Ptychography: From Crystal Structures to Electromagnetic Fields
Sign Up to like & getrecommendations! Published in 2020 at "Microscopy and Microanalysis"
DOI: 10.1017/s143192762001315x
Abstract: Phase-contrast imaging plays a crucial role in imaging many types of materials, especially those with weak scattering potentials or low damage-threshold doses. With the recent advances in detector technology, phase-contrast imaging techniques in scanning transmission… read more here.
Keywords: microscopy; ptychography; phase contrast; phase ... See more keywords
Soft X-ray Ptychography Chemical Imaging of Degradation in a Composite Surface-Reconstructed Li-Rich Cathode.
Sign Up to like & getrecommendations! Published in 2020 at "ACS nano"
DOI: 10.1021/acsnano.0c08891
Abstract: The capability in spatially resolving the interactions between components in lithium (Li)-ion battery cathodes, especially correlating chemistry and electronic structure, is challenging but critical for a better understanding of complex degradation mechanisms for rational developments.… read more here.
Keywords: degradation; chemical imaging; imaging degradation; ptychography ... See more keywords
High-resolution three-dimensional structural microscopy by single-angle Bragg ptychography.
Sign Up to like & getrecommendations! Published in 2017 at "Nature materials"
DOI: 10.1038/nmat4798
Abstract: Coherent X-ray microscopy by phase retrieval of Bragg diffraction intensities enables lattice distortions within a crystal to be imaged at nanometre-scale spatial resolutions in three dimensions. While this capability can be used to resolve structure-property… read more here.
Keywords: three dimensional; high resolution; microscopy; ptychography ... See more keywords
Aberration characterization of x-ray optics using multi-modal ptychography and a partially coherent source
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0041341
Abstract: Ptychography is a scanning coherent diffraction imaging technique that provides high-resolution imaging and complete spatial information of the complex probe and object transmission function. The wavefront error caused by aberrated optics has previously been recovered… read more here.
Keywords: optics; multi modal; coherent source; ptychography ... See more keywords
Strategies for high-throughput focused-beam ptychography
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Synchrotron Radiation"
DOI: 10.1107/s1600577517009869
Abstract: X-ray ptychography is being utilized for a wide range of imaging experiments with a resolution beyond the limit of the X-ray optics used. Here, strategies for data sampling and for increasing imaging throughput when the… read more here.
Keywords: ptychography; beam; throughput focused; strategies high ... See more keywords
Soft X-ray spectro-ptychography of boron nitride nanobamboos, carbon nanotubes and permalloy nanorods.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of synchrotron radiation"
DOI: 10.1107/s1600577523003399
Abstract: Spectro-ptychography offers improved spatial resolution and additional phase spectral information relative to that provided by scanning transmission X-ray microscopes. However, carrying out ptychography at the lower range of soft X-ray energies (e.g. below 200 eV to… read more here.
Keywords: spectro ptychography; ray spectro; ptychography; soft ray ... See more keywords
Miscalibration-Tolerant Fourier Ptychography
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2020.3025717
Abstract: Fourier Ptychography probes the sample from different directions to achieve label-free quantitative phase imaging with a large space-bandwidth product. However, special attention has to be paid in the calibration of the optical setup to assure… read more here.
Keywords: fourier ptychography; miscalibration tolerant; ptychography miscalibration; ptychography ... See more keywords
Three-dimensional inhomogeneity of zeolite structure and composition revealed by electron ptychography
Sign Up to like & getrecommendations! Published in 2023 at "Science"
DOI: 10.1126/science.adg3183
Abstract: Structural and compositional inhomogeneity is common in zeolites and considerably affects their properties. Thickness-limited lateral resolution, lack of depth resolution, and electron dose-constrained focusing limit local structural studies of zeolites in conventional transmission electron microscopy… read more here.
Keywords: ptychography; zeolite; microscopy; resolution ... See more keywords