Analysis of Fraunhofer diffraction patterns’ entropy based on apertures shaped as national borders
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.07.133
Abstract: Abstract How aesthetically pleasing is your country’s diffraction pattern? This work summarizes the calculated and experimental Fraunhofer diffraction patterns obtained from using apertures lithographically formed into shapes of national borders. Calculations are made based on… read more here.
Keywords: national borders; patterns entropy; analysis fraunhofer; diffraction ... See more keywords
Theoretical investigation of the growth of small crystals in single liquid droplets by analyzing their diffraction patterns
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2021.126333
Abstract: Abstract The article presents a method of observing and measurement the size of the growth of small crystalline particles in a solution droplet. Size measurement of small crystals in early stage of their growth is… read more here.
Keywords: growth small; theoretical investigation; diffraction patterns; growth ... See more keywords
The realization of isotropic multiplexing diffraction patterns and polarization property by two-dimensional imprinting silica periodic photonic crystals
Sign Up to like & getrecommendations! Published in 2019 at "Physica E: Low-dimensional Systems and Nanostructures"
DOI: 10.1016/j.physe.2018.09.019
Abstract: Abstract Multiplexing optical devices realized by 2D photonic crystals is a feasible way and hot research topic. Especially, dielectric photonic crystals with isotropic multi-point far-filed diffraction patterns and high diffraction efficiency are essential for the… read more here.
Keywords: photonic crystals; diffraction patterns; diffraction; two dimensional ... See more keywords
On the role of the second-order derivative term in the calculation of convergent beam diffraction patterns.
Sign Up to like & getrecommendations! Published in 2017 at "Ultramicroscopy"
DOI: 10.1016/j.ultramic.2017.04.001
Abstract: The simulation of (scanning) transmission electron microscopy images and diffraction patterns is most often performed using the forward-scattering approximation where the second-order derivative term in z is assumed to be small with respect to the… read more here.
Keywords: order; derivative term; second order; diffraction patterns ... See more keywords
Non-negative matrix factorization for mining big data obtained using four-dimensional scanning transmission electron microscopy.
Sign Up to like & getrecommendations! Published in 2020 at "Ultramicroscopy"
DOI: 10.1016/j.ultramic.2020.113168
Abstract: Scientific instruments for material characterization have recently been improved to yield big data. For instance, scanning transmission electron microscopy (STEM) allows us to acquire many diffraction patterns from a scanning area, which is referred to… read more here.
Keywords: big data; microscopy; electron microscopy; diffraction patterns ... See more keywords
Phase Mapping in EBSD Using Convolutional Neural Networks
Sign Up to like & getrecommendations! Published in 2020 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927620001488
Abstract: Abstract The emergence of commercial electron backscatter diffraction (EBSD) equipment ushered in an era of information rich maps produced by determining the orientation of user-selected crystal structures. Since then, a technological revolution has occurred in… read more here.
Keywords: diffraction patterns; phase mapping; chemistry; convolutional neural ... See more keywords
An Acquisition Parameter Study for Machine-Learning-Enabled Electron Backscatter Diffraction
Sign Up to like & getrecommendations! Published in 2021 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927621000556
Abstract: Abstract Methods within the domain of artificial intelligence are gaining traction for solving a range of materials science objectives, notably the use of deep neural networks for computer vision for the analysis of electron diffraction… read more here.
Keywords: parameter; diffraction patterns; electron; diffraction ... See more keywords
Free-electron laser data for multiple-particle fluctuation scattering analysis
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Data"
DOI: 10.1038/sdata.2018.201
Abstract: Fluctuation X-ray scattering (FXS) is an emerging experimental technique in which solution scattering data are collected using X-ray exposures below rotational diffusion times, resulting in angularly anisotropic X-ray snapshots that provide several orders of magnitude… read more here.
Keywords: electron laser; free electron; diffraction patterns; particle ... See more keywords
Assessing Uncertainties in X-ray Single-particle Three-dimensional reconstructions
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review E"
DOI: 10.1103/physreve.98.013303
Abstract: Modern technology for producing extremely bright and coherent x-ray laser pulses provides the possibility to acquire a large number of diffraction patterns from individual biological nanoparticles, including proteins, viruses, and DNA. These two-dimensional diffraction patterns… read more here.
Keywords: three dimensional; methodology; ray single; uncertainties ray ... See more keywords
Indexing grazing-incidence X-ray diffraction patterns of thin films: lattices of higher symmetry
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Crystallography"
DOI: 10.1107/s1600576719003029
Abstract: A general indexing procedure for grazing-incidence X-ray diffraction patterns recorded from fibre-textured films is introduced for lattices of monoclinic and higher-symmetry systems. The analytical mathematical expressions are given and their use is demonstrated in detail… read more here.
Keywords: ray diffraction; incidence ray; diffraction patterns; higher symmetry ... See more keywords
Use of electron backscatter diffraction patterns to determine the crystal lattice. Part 1. Where is the Bragg angle?
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Applied Crystallography"
DOI: 10.1107/s1600576723000134
Abstract: The lattice parameters of more than 350 phases have been determined from simulated backscatter Kikuchi patterns. The deviations correlating with the mean atomic number correspond to those observed previously for experimental electron backscatter diffraction patterns. read more here.
Keywords: backscatter; diffraction patterns; backscatter diffraction; electron backscatter ... See more keywords