Panoramic Mapping of Phonon Transport from Ultrafast Electron Diffraction and Scientific Machine Learning
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202206997
Abstract: One central challenge in understanding phonon thermal transport is a lack of experimental tools to investigate frequency‐resolved phonon transport. Although recent advances in computation lead to frequency‐resolved information, it is hindered by unknown defects in… read more here.
Keywords: ultrafast electron; transport; electron diffraction; phonon transport ... See more keywords
The application of convergent beam electron diffraction (CBED) analysis on transformation‐induced plasticity (TRIP) steels
Sign Up to like & getrecommendations! Published in 2019 at "Microscopy Research and Technique"
DOI: 10.1002/jemt.23042
Abstract: Convergent beam electron diffraction (CBED) in transmission electron microscopy (TEM) was applied to determine local carbon concentrations in low‐carbon transformation‐induced plasticity (TRIP) steels. High‐order Laue‐zone (HOLZ) lines were experimentally obtained for comparison with simulation results.… read more here.
Keywords: microscopy; convergent beam; diffraction cbed; electron diffraction ... See more keywords
Quantification of crystallinity using zero‐loss filtered electron diffraction
Sign Up to like & getrecommendations! Published in 2019 at "Microscopy Research and Technique"
DOI: 10.1002/jemt.23065
Abstract: The quantity of the crystalline phases present in a nanomaterial is an important parameter that governs the correlation between its properties and microstructure. However, quantification of crystallinity in nanoscale‐level applications by conventional methods (Raman spectroscopy… read more here.
Keywords: filtered electron; diffraction; loss filtered; zero loss ... See more keywords
A script‐based method for achieving distortion‐free selected area electron diffraction
Sign Up to like & getrecommendations! Published in 2022 at "Microscopy Research and Technique"
DOI: 10.1002/jemt.24124
Abstract: Electron diffraction patterns obtained on a TEM contain elliptical distortion resulting from column defects. This distortion can be corrected by applying offsets to the objective lens stigmators to cancel distortions occurring further down the column.… read more here.
Keywords: distortion; electron diffraction; diffraction; stigmator values ... See more keywords
Electron diffraction analysis of quenched Fe–C martensite
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science"
DOI: 10.1007/s10853-017-1731-0
Abstract: Martensite has a body-centered tetragonal (bct) structure in high carbon steels. However, body-centered cubic (bcc) {112} 〈111〉-type twins instead of bct twins always be observed as the substructure of martensite in high carbon steels. In… read more here.
Keywords: martensite; diffraction; electron diffraction; electron ... See more keywords
Accurate determination of the chiral indices of individual carbon nanotubes by combining electron diffraction and Resonant Raman spectroscopy
Sign Up to like & getrecommendations! Published in 2017 at "Carbon"
DOI: 10.1016/j.carbon.2016.11.076
Abstract: The experimental approach combining high resolution transmission electron microscopy (HRTEM), electron diffraction (ED) and resonant Raman spectroscopy (RRS) on the same free-standing individual carbon nanotubes (CNT) is the most efficient method to determine unambiguously the… read more here.
Keywords: raman; carbon; carbon nanotubes; spectroscopy ... See more keywords
Ultrafast electron diffraction study of single-crystal (EDO-TTF)2SbF6: Counterion effect and dimensionality reduction
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2017.05.007
Abstract: Abstract Ultrafast electron diffraction is a sensitive tool to directly study molecular dynamics in structural detail. Here, we report the influence of counterion size on the photoinduced insulator-to-metal phase transition in two derivatives of the… read more here.
Keywords: reduction; counterion; edo ttf; diffraction ... See more keywords
A novelty for cultural heritage material analysis: Transmission Electron Microscope (TEM) 3D electron diffraction tomography applied to Roman glass tesserae
Sign Up to like & getrecommendations! Published in 2018 at "Microchemical Journal"
DOI: 10.1016/j.microc.2017.12.023
Abstract: Abstract We present a novel electron diffraction technique (Automated precession 3D diffraction tomography - ADT) based on a Transmission Electron Microscope (TEM) to precisely determine unit cell parameters, Space Group symmetry and atomic structure of… read more here.
Keywords: diffraction; electron microscope; electron diffraction; microscope tem ... See more keywords
1-Dimethylamino-1-silacyclohexane: Synthesis, molecular structure and conformational behavior by gas-phase electron diffraction, Raman spectroscopy and detailed quantum chemical calculations
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2018.08.076
Abstract: Abstract 1-(N,N-dimethylamino)-1-silacyclohexane 1 was synthesized. Contributions of the conformers of 1, Eq-trans: Eq-gauche: Ax-trans, were found to be 55(15):15(15):30(15) mol.% in gas phase at 288 K from gas electron diffraction. The enthalpy ΔH = 0.29(15) kcal/mol for Ax-to-Eq… read more here.
Keywords: gas; dimethylamino silacyclohexane; spectroscopy; raman spectroscopy ... See more keywords
Molecular structure of 5,10,15,20-tetrakis(4′-fluorophenyl)porphyrin by combined gas-phase electron diffraction/mass spectrometry experiment and DFT calculations
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2020.128662
Abstract: Abstract Molecular parameters of 5,10,15,20-tetrakis(4′-fluorophenyl)porphyrin were determined for the first time by gas-phase electron diffraction. Conformational preference was investigated based on the experimental data and was found to be in the good agreement with the… read more here.
Keywords: mass spectrometry; tetrakis fluorophenyl; phase electron; fluorophenyl porphyrin ... See more keywords
A Rare Lysozyme Crystal Form Solved Using Highly Redundant Multiple Electron Diffraction Datasets from Micron-Sized Crystals.
Sign Up to like & getrecommendations! Published in 2018 at "Structure"
DOI: 10.1016/j.str.2018.02.015
Abstract: Recent developments of novel electron diffraction techniques have shown to be powerful for determination of atomic resolution structures from micron- and nano-sized crystals, too small to be studied by single-crystal X-ray diffraction. In this work, the… read more here.
Keywords: sized crystals; using highly; rare lysozyme; diffraction ... See more keywords