[HTML][HTML] Transport of intensity equation: a tutorial
When it comes to “phase measurement” or “quantitative phase imaging”, many people will
automatically connect them with “laser” and “interferometry”. Indeed, conventional …
automatically connect them with “laser” and “interferometry”. Indeed, conventional …
4D-STEM ptychography for electron-beam-sensitive materials
Recent advances in high-speed pixelated electron detectors have substantially facilitated
the implementation of four-dimensional scanning transmission electron microscopy (4D …
the implementation of four-dimensional scanning transmission electron microscopy (4D …
Four-dimensional scanning transmission electron microscopy (4D-STEM): From scanning nanodiffraction to ptychography and beyond
C Ophus - Microscopy and Microanalysis, 2019 - cambridge.org
Scanning transmission electron microscopy (STEM) is widely used for imaging, diffraction,
and spectroscopy of materials down to atomic resolution. Recent advances in detector …
and spectroscopy of materials down to atomic resolution. Recent advances in detector …
Electron ptychography of 2D materials to deep sub-ångström resolution
Aberration-corrected optics have made electron microscopy at atomic resolution a
widespread and often essential tool for characterizing nanoscale structures. Image …
widespread and often essential tool for characterizing nanoscale structures. Image …
Visualization of oxygen vacancies and self-doped ligand holes in La3Ni2O7−δ
The recent discovery of superconductivity in La3Ni2O7− δ under high pressure with a
transition temperature around 80 K (ref.) has sparked extensive experimental,,,–and …
transition temperature around 80 K (ref.) has sparked extensive experimental,,,–and …
Embedded pupil function recovery for Fourier ptychographic microscopy
We develop and test a pupil function determination algorithm, termed embedded pupil
function recovery (EPRY), which can be incorporated into the Fourier ptychographic …
function recovery (EPRY), which can be incorporated into the Fourier ptychographic …
Mixed-state electron ptychography enables sub-angstrom resolution imaging with picometer precision at low dose
Both high resolution and high precision are required to quantitatively determine the atomic
structure of complex nanostructured materials. However, for conventional imaging methods …
structure of complex nanostructured materials. However, for conventional imaging methods …
Simultaneous atomic-resolution electron ptychography and Z-contrast imaging of light and heavy elements in complex nanostructures
H Yang, RN Rutte, L Jones, M Simson… - Nature …, 2016 - nature.com
The aberration-corrected scanning transmission electron microscope (STEM) has emerged
as a key tool for atomic resolution characterization of materials, allowing the use of imaging …
as a key tool for atomic resolution characterization of materials, allowing the use of imaging …
Translation position determination in ptychographic coherent diffraction imaging
F Zhang, I Peterson, J Vila-Comamala, A Diaz… - Optics express, 2013 - opg.optica.org
Accurate knowledge of translation positions is essential in ptychography to achieve a good
image quality and the diffraction limited resolution. We propose a method to retrieve and …
image quality and the diffraction limited resolution. We propose a method to retrieve and …
Efficient phase contrast imaging in STEM using a pixelated detector. Part 1: Experimental demonstration at atomic resolution
We demonstrate a method to achieve high efficiency phase contrast imaging in aberration
corrected scanning transmission electron microscopy (STEM) with a pixelated detector. The …
corrected scanning transmission electron microscopy (STEM) with a pixelated detector. The …