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109 results for “Electron Diffraction”
Electron Diffraction (MicroED) Datasets for Aspirin (Glacios TEM with a CETA-D)
<p>Electron diffraction datasets collected from aspirin.</p> <p>Microscope: Thermo Fisher Scientific Glacios Transmission Electron Microscope (SDC1G at NanoImaging Services)</p> <p>Camera: Ceta-D camera (bin 2x2, rolling shutter, noise reduction mode)</p> <p>Collection Software: Leginon (Cheng, et. al. 2021)*</p> <p>Collection Parameters: 200keV, -193C, 20um C2, gun lens 7.1, spot size 10, parallel beam, calibrated camera length 1065.7mm (1100 in UI), oscillation per frame 0.89deg, 222ms exposure time, tilt speed 4 deg/s, rotation -60 to +60 (first ~8 degrees not recorded)</p> <p>Grid: Ted Pella 01840</p> <p>Sample: C<sub>9</sub>H<sub>8</sub>O<sub>4</sub>, 2-acetoxybenzoic acid, 180.16 g/mol</p> <p>Structure: CCDC 2260060</p> <p> </p> <p>* Data have been converted to SMV format with the addition of an offset value to remove negative pixel values. This offset value can be found in the image headers, along with a suggested pedestal value.</p> <p> </p> <p>A data processing tutorial is available for processing data collected with this setup using DIALS: </p> <p><a href="https://dials.github.io/documentation/tutorials/3DED/Biotin.html">https://dials.github.io/documentation/tutorials/3DED/Biotin.html</a></p>
Electron Diffraction (MicroED) Datasets for C20H13O4P (Glacios TEM with a CETA-D)
<p>Electron diffraction datasets collected from a chiral pharmaceutical compound.</p> <p> </p> <p>Microscope: Thermo Fisher Scientific Glacios Transmission Electron Microscope (SDC1G at NanoImaging Services)</p> <p>Camera: Ceta-D camera (bin 2x2, rolling shutter, noise reduction mode)</p> <p>Collection Software: Leginon (Cheng, et. al. 2021)*</p> <p>Collection Parameters: 200keV, -193C, 20um C2, gun lens 7.1, spot size 10, parallel beam, calibrated camera length 1065.7mm (1100 in UI), oscillation per frame 0.89deg, 222ms exposure time, tilt speed 4 deg/s, rotation -60 to +60 (first ~8 degrees not recorded)</p> <p>Grid: Ted Pella 01840</p> <p>Sample: C<sub>20</sub>H<sub>13</sub>O<sub>4</sub>P, (R)-(-)-1,1-Binaphthyl-2,2’-diyl hydrogenphosphate, 348.29 g/mol</p> <p>Structure: CCDC 2260063</p> <p> </p> <p>* Data have been converted to SMV format with the addition of an offset value to remove negative pixel values. This offset value can be found in the image headers, along with a suggested pedestal value.</p> <p> </p> <p>A data processing tutorial is available for processing data collected with this setup using DIALS: </p> <p><a href="https://dials.github.io/documentation/tutorials/3DED/Biotin.html">https://dials.github.io/documentation/tutorials/3DED/Biotin.html</a></p>
Electron Diffraction (MicroED) Datasets for Ipragliflozin (Glacios TEM with a CETA-D)
<p>Electron diffraction datasets collected from a chiral pharmaceutical compound.</p> <p> </p> <p>Microscope: Thermo Fisher Scientific Glacios Transmission Electron Microscope (SDC1G at NanoImaging Services)</p> <p>Camera: Ceta-D camera (bin 2x2, rolling shutter, noise reduction mode)</p> <p>Collection Software: Leginon (Cheng, et. al. 2021)*</p> <p>Collection Parameters: 200keV, -193C, 20um C2, gun lens 7.1, spot size 10, parallel beam, calibrated camera length 1065.7mm (1100 in UI), oscillation per frame 0.89deg, 222ms exposure time, tilt speed 4 deg/s, rotation -60 to +60 (first ~8 degrees not recorded)</p> <p>Grid: Ted Pella 01840</p> <p>Sample: C<sub>21</sub>H<sub>21</sub>FO<sub>5</sub>S, (1<em>S</em>)-1,5-anhydro-1-<em>C</em>-{3-[(1-benzothiophen-2-yl)methyl]-4-fluorophenyl}-D-glucitol, 404.45 g/mol</p> <p>Structure: CCDC 2260059</p> <p> </p> <p>* Data have been converted to SMV format with the addition of an offset value to remove negative pixel values. This offset value can be found in the image headers, along with a suggested pedestal value.</p> <p> </p> <p>A data processing tutorial is available for processing data collected with this setup using DIALS: </p> <p><a href="https://dials.github.io/documentation/tutorials/3DED/Biotin.html">https://dials.github.io/documentation/tutorials/3DED/Biotin.html</a></p>
Datasets for Work "Predicting Pulsed-Laser Deposition SrTiO3 Homoepitaxy Growth Dynamics using High-Speed Reflection High-Energy Electron Diffraction"
<p>RHEED raw dataset and Gaussia fitting parameter dataset for samples "treated_213nm", "treated_81nm" and "untreated_162nm" in the work "Predicting Pulsed Laser Deposition SrTiO<sub>3 </sub>Homoepitaxy Growth Dynamics using High-Speed Reflection High-Energy Electron Diffraction."</p>
Data for "The effect of pattern overlap on the accuracy of high resolution electron backscatter diffraction measurements"
<p>Data for "The effect of pattern overlap on the accuracy of high resolution electron backscatter diffraction measurements"</p> <p>Vivian Tong1, Jun Jiang1, Angus J Wilkinson2, and T Ben Britton1<br /> 1. Department of Materials, Imperial College London, Prince Consort Road, London, SW7 2AZ, UK<br /> 2. Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK</p> <p>For more information please contact: b.britton@imperial.ac.uk (Ben Britton)</p> <p>--<br /> The zip contains three subfolders:<br /> Fig4 Interaction volume measurement<br /> Fig14 Error approaching gb<br /> Fig16 GrainBoundaryProbability</p> <p>--<br /> Further details:</p> <p>Fig4 Interaction volume measurement -</p> <p>Measurement and simulation data of EBSD inteaction volume</p> <p>Includes calculated model & EBSD patterns for measurement<br /> EBSD patterns are from Zircaloy-4 and scanned on a Bruker eFlashHR camera in high resolution mode (1600 x 1200) attached to a Zeiss Auriga-40 SEM. The sample was tilted to 70 degrees and the SEM image shows the tilt corrected scanned region.</p> <p><br /> Fig14 Error approaching gb -<br /> 15 patterns are included that were used to create many simulated grain boundary pairs. These were captured from the same sample as used in Fig4.<br /> The spreadsheet details results shown in Fig 4.</p> <p><br /> Fig 16 GrainBoundary Pobability -<br /> This describes results from the simple Voronoi tessalation model (virtual grain structure) and sampling with a fixed step size, similar to a real EBSD scan. Probabilities were calcualted for different interaction volume sizes and critical distances.</p> <p> </p>
Evidence for phonon hardening in laser excited gold using x-ray diffraction at a hard x-ray free electron laser
<p>Studies of laser-heated materials on femtosecond timescales have shown that the interatomic potential can be perturbed at sufficiently high laser intensities. For gold, it has been postulated to undergo a strong stiffening leading to an increase of the phonon energies, known as phonon hardening. Despite efforts to investigate this behavior, only measurements at low absorbed energy density have been performed, for which the interpretation of the experimental data remains ambiguous. By using in situ single-shot x-ray diffraction at a hard x-ray free electron laser, the evolution of diffraction line intensities of laser-excited Au to a higher energy density provides evidence for phonon-hardening.</p>
Electron Beam-Induced Artifacts in SEI Characterization: Evidence from Controlled-Dose Diffraction Studies (datasets)
<p>The paper has been published, and the data were updated following the revision. The dataset is now publicly available. All data are in DM4 format, and we recommend using Py4DSTEM or other tools after processing them to h5 format.</p>
Serial rotation electron diffraction raw data
<p>Raw serial rotation electron diffraction datasets from two mixture zeolite products (Product A and B). </p> <p>The data folder of each Product contains the following directories or files:</p> <ul> <li>calib: contains the calibration files for the experiment</li> <li>experiment: contains the raw rotation diffraction data (SMV format) for the identified crystals at each stage position.</li> <li>Dials_indexing.log: contains the on-the-fly unit cell identification results from DIALS</li> </ul> <p>The datasets for the structure determination of IWV, CTH, and RTH phases in Product A are listed in the folder named "Selected_datasets_for_structure_determination_of_IWV_CTH_and_RTH_in_Product_A"</p> <p>The Python code to process the data can be found at https://doi.org/10.5281/zenodo.5727189</p>
Electron Diffraction (MicroED) Datasets for C16H20FN5OS (Glacios TEM with a CETA-D)
<p>Electron diffraction datasets collected from a chiral pharmaceutical compound.</p> <p> </p> <p>Microscope: Thermo Fisher Scientific Glacios Transmission Electron Microscope (SDC1G at NanoImaging Services)</p> <p>Camera: Ceta-D camera (bin 2x2, rolling shutter, noise reduction mode)</p> <p>Collection Software: Leginon (Cheng, et. al. 2021)*</p> <p>Collection Parameters: 200keV, -193C, 20um C2, gun lens 7.1, spot size 10, parallel beam, calibrated camera length 1065.7mm (1100 in UI), oscillation per frame 0.89deg, 222ms exposure time, tilt speed 4 deg/s, rotation -60 to +60 (first ~8 degrees not recorded)</p> <p>Grid: Ted Pella 01840</p> <p>Sample: C<sub>16</sub>H<sub>20</sub>FN<sub>5</sub>OS, (N‐(5‐{[(3R)‐3‐[(5‐fluoropyrimidin‐2‐yl)methyl]piperidin‐1‐yl]methyl}‐1,3‐thiazol‐2‐yl)acetamide, 349.43 g/mol</p> <p>Structure: CCDC 2130868</p> <p> </p> <p>* Data have been converted to SMV format with the addition of an offset value to remove negative pixel values. This offset value can be found in the image headers, along with a suggested pedestal value.</p> <p> </p> <p>A data processing tutorial is available for processing data collected with this setup using DIALS: </p> <p><a href="https://dials.github.io/documentation/tutorials/3DED/Biotin.html">https://dials.github.io/documentation/tutorials/3DED/Biotin.html</a></p>
High-definition electron diffraction patterns and their indexation results of a single crystal Si wafer
<p>This dataset of 1200 high-resolution (1140×1600) electron diffraction patterns are acquired from an unstrained single crystal Si wafer of (100) surface. The nominal sample tilt angle is 70°, and the step size 50µm. The indexation results, in format 'mat' of Matlab, by IDIC-EBSD with uniform and non-uniform energy levels are also provided. For each diffraction pattern, 6 parameters are stocked, i.e. the Euler angle triplet (expressed in radians and with reference to the EBSD detector) and the coordinates of the projection center.</p> <p>This dataset was discussed in a published paper (https://doi.org/10.1016/j.matchar.2022.111909).</p>
Data for: Optimizing broad ion beam polishing of zircaloy-4 for electron backscatter diffraction analysis
<p>This is the data to support a manuscript that explores how to optimize sample preparation of zircaloy-4 using broad ion beam polishing.</p> <p>If you wish to follow-up on this data, please contact Dr Ben Britton (ben.britton@ubc.ca).</p> <p>The data was collected and curated by Ning Fang and Ruth Birch.</p>
Second dataset on diffraction patterns of electron vortex beams generated by the electrostatic chopstic/MINEON device- CL340
<p>Franhofer diffraction dataset of electron vortex beams (EVBs) generated by the chopstic/MINEON device observed with a Camera Length of 340m on the K2 camera of the Titan Holo present in the Ernst-Ruska Centre at FZ-Julich. In this dataset, which can be accessed through Digital Micrograph and STEM_Cell it is possible to observe how by changing the potential difference between the two tips (main electrodes of the device) the radius of the EVB increases. A striking feature is that the radius increases almost linearly with the Orbital Angular Momentum. The analisys of this dataset can be found.at <strong>https://arxiv2203.00477.org/abs/</strong></p>
Third dataset on diffraction patterns of electron vortex beams generated by the electrostatic chopstic/MINEON device- CL23
<p>Franhofer diffraction dataset of electron vortex beams (EVBs) generated by the chopstic/MINEON device observed with a Camera Length of 23m on the K2 camera of the Titan Holo present in the Ernst-Ruska Centre at FZ-Julich. In this dataset, which can be accessed through Digital Micrograph and STEM_Cell it is possible to observe how by changing the potential difference between the two tips (main electrodes of the device) the radius of the EVB increases. A striking feature is that the radius increases almost linearly with the Orbital Angular Momentum. The analisys of this dataset can be found.at https://arxiv.org/abs/2203.00477</p>
Accurate lattice parameters from 3D electron diffraction data I: Optical distortions
<p>3D ED data were measured with an FEI Tecnai G2 20 transmission electron microscope equipped with an Olympus SIS Veleta camera (CCD, 14 bit, 2048 x 2048 px) and a NanoMEGAS Digistar precession unit.</p> <p>Supporting information for article submitted to a scientific journal. Examples 1 and 2 including manuals and command files for optical distortions refinement in 3D ED data using PETS2 software.</p> <p>Manuals for the examples are available as the supporting information of the submitted article.</p>
Electron backscatter diffraction data and backscatter electron images from a cold-rolled and recovered Al-Mn alloy
<p>Three electron backscatter diffraction (EBSD) data sets and three sets of backscatter electron (BSE) images from the same region of interest in a cold-rolled and recovered Al-Mn alloy.</p> <p>The data forms part of the supplementary material to the paper H W Ånes, A T J van Helvoort, K Marthinsen "Correlated subgrain and particle analysis of a recovered Al-Mn alloy by directly combining EBSD and backscatter electron imaging" (2022), published in Materials Characterization.</p> <p>The data was acquired in order to study the effect of particles on recovery and recrystallization in the Al-Mn alloy. The particles detected in the BSE images were inserted in the EBSD map after the EBSD map had been corrected for distortions by image registration using the BSE images.</p> <p>See the GitHub repository https://github.com/hakonanes/correlated-grains-particles-workflow for Jupyter notebooks and (MATLAB) MTEX scripts used to analyze the data.</p>
Electron diffraction image files of rhodamine-6g microcrystals with CRYO ARM 300
<p>Diffraction images of rhodamine-6g collected with JEOL CRYO ARM 300 electron microscope at RIKEN, SPring-8. High-tension voltage was 300 kV. Camera distance was nominally 800 mm, but it could be calibrated with power-diffraction pattern of a gold sputtered grid. They were recorded with DirectElectron DE64 detector. Diffractions for orthorhombic crystals were collected at R.T. and cryo conditions and those for triclinic crystals were at cryo condition. Images were x2 binned and used for processing with DIALS. The output hkl files are also included in this entry.</p>
Crystal structure of natural product Argyrin-D determined by 3D electron diffraction
<p>360° rotation of the Argyrin D model (stick mode with carbon, yellow; nitrogen, blue; oxygen, red; sulfur, gold and hydrogen, white) defined by a 2Fo-Fc map contoured at 1.2 sigma (grey mesh). The model was refined at a resolution of 1.1Å in Phenix using implemented electron scattering factors and restraints to R and Rfree values of 17.3 and 18.6%, respectively.</p>
Datasets for "Versatile Domain Mapping of Scanning Electron Nanobeam Diffraction datasets utilising Variational Auto Encoders and decoder-assisted latent clustering"
<p>20210925_152115_data.hdf5 is the P2 sample raw data.</p> <p>FinalMap-weights.hdf5 is the weights for the P2 model used for clustering</p> <p>SimulatedDSA-data.hdf5 is the simulated data set raw data.</p> <p>FullyTrainedModel.hdf5 is the weights for the Simulated Dataset model used for clustering</p> <p><br> </p>
Rotational electron diffraction patterns of TIA-1 prion-like domain, A381T mutant
<p>Rotational electron diffraction patterns of TIA-1 prion-like domain, A381T mutant. Collected with a JEOL CRYO ARM 300 electron microscope operated at an accelerating voltage of 300kV on a DirectElectron DE64 detector at RIKEN, SPring-8 Center. The PDB ID associated with this data is 7VI5.The PDB ID associated with this data is 7VI4.</p>
Rotational electron diffraction patterns of TIA-1 prion-like domain, wild type
<p>Rotational electron diffraction patterns of TIA-1 prion-like domain, wild type. Collected with a JEOL CRYO ARM 300 electron microscope operated at an accelerating voltage of 300kV on a DirectElectron DE64 detector at RIKEN, SPring-8 Center. The PDB ID associated with this data is 7VI5.</p>
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