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666 results for “Diffraction”
Datesets and images of the publication "Probing crystallinity and grain structure of 2D materials and 2D-like van der Waals heterostructures by low-voltage electron diffraction" - DOI: 10.1002/pssa.202300148
<p>Datasets and images of the publication "Probing crystallinity and grain structure of 2D materials and 2D-like van der Waals heterostructures by low-voltage electron diffraction" - DOI: <a href="https://www.doi.org/10.1002/pssa.202300148">10.1002/pssa.202300148</a></p> <p>The Jupyter Notebooks for analyzing the datasets and generating all the figures are available at <a href="https://gitlab.com/JohMu/tds_hios_manuscript">https://gitlab.com/JohMu/tds_hios_manuscript</a>.</p> <p><strong>MoS<sub>2</sub> 4D-STEM dataset:</strong></p> <ul> <li>192x192 scan pixels</li> <li>200x200 camera pixels</li> <li>Acceleration voltage: 20kV</li> <li>Camera length: 10.56 mm</li> <li>Camera pixel size: 4x5.86 µm = 23.44 µm (original dataset with 4x4 binning)</li> <li>File location: Figure 2_3_S1.zip -> 230101205338_20kV_hexz0_camz-10_posi_003_good\scan_data_bin2_centered_crop-imgNx200.h5</li> <li>The original raw dataset (23 GB, 192x192 scan pixels, 800x800 camera pixels, camera pixel size: 5.86 µm), the scan reference dataset and the Jupyter Notebook for the shift-compensation is available from the author. The dataset uploaded here is binned by a factor of 4 and shift-compensated.</li> </ul> <p><strong>C60/MoS<sub>2</sub> 4D-STEM dataset:</strong></p> <ul> <li>113x113 scan pixels</li> <li>512x512 camera pixels</li> <li>Acceleration voltage: 20kV</li> <li>Camera length: 20.56 mm</li> <li>Camera pixel size: 5.86 µm</li> <li>File location: Figure 4.zip -> scan_data_scan113x113_gzip.h5</li> </ul> <p> </p>
Quantitative three-dimensional local order analysis of nanomaterials through electron diffraction
<p>Diffraction data for Yttrium Stabilized Zirconia Zr<sub>0.82</sub>Y<sub>0.18</sub>O<sub>1.91</sub></p> <p><strong>Electron diffraction data:</strong></p> <ul> <li>FEI Tecnai G2 microscope</li> <li>200 keV electrons</li> <li>Cheetah detector (ASI, 512 x 512 pixel)</li> <li>Condenser Aperature 10 micrometer, spot size 9</li> <li>Exposure 1.512 s / frame, rotation 0.4 deg/frame</li> <li>raw data was processed with PETS2 (http://pets.fzu.cz/)</li> </ul> <p><strong>X-ray diffraction data:</strong></p> <ul> <li>Rigaku Syneergy S diffractometer</li> <li>Eiger 1M Detector, energy discriminating threshold 17.4 keV</li> <li>Mo K-alpha radiation</li> <li>120 s exposure time, 0.5 deg/frame</li> <li>Raw data can be processed with CrysAlisPro (https://www.rigaku.com/products/crystallography/crysalis)</li> </ul> <p><strong>Neutron diffraction data:</strong></p> <ul> <li>D19 ILL, Grenoble</li> <li>0.95 A wavelength</li> <li>80 s exposure time, 0.1 deg/frame</li> <li>Raw data can be accessed at <a href="http://dx.doi.org/10.5291/ILL-DATA.5-13-277">doi:10.5291/ILL-DATA.5-13-277</a> and processed with the Instrument software Int3D (https://www.ill.eu/users/instruments/instruments-list/d19/software)</li> </ul> <p><strong>Reciprocal space reconstructions and 3D-DeltaPDF maps</strong></p> <p>Provided in .h5 format and can be vizualized e.g. with DISCUS (https://github.com/tproffen/DiffuseCode/releases) or DensityViewer (https://github.com/aglie/DensityViewer/releases/)</p>
Raw diffraction images of [NiFe]-hydrogenase maturation factor HypD from Aquifex aeolicus (C360S mutant)
<p>HypD is one of the maturation factors of [NiFe]-hydrogenase and can form a complex with other maturation factors (Muraki <em>et al.</em>, 2019). </p> <p>We used datasets to investigate the protocol of detecting polymorphs using Hierarchical clustering (Acta D., submitted). All diffraction datasets were collected at BL45XU, SPring-8, using an automated data collection system <em>ZOO</em>. From six crystals, datasets were collected from each one using a continuous helical scan scheme for 360º oscillation with the following experimental parameters; Beam size: 20 µm × 20 µm, Wavelength: 1.0000 Å, Total dose/crystal: 10 MGy, Detector: EIGER X 9M (DECTRIS Co. Ltd.). All crystals belonged to space group P212121 with unit cell parameters roughly corresponding to a=60.0, b=62.6, c=97.6 Å.</p>
Raw diffraction images of 5-Chlorotryptamine-bound trypsin
<p>Trypsin is an enzyme in the first section of the small intestine that starts the digestion of protein molecules by cutting these long chains of amino acids into smaller pieces. </p> <p>We used datasets to investigate the protocol of detecting polymorphs using Hierarchical clustering (Acta D., submitted). All diffraction data were collected at BL32XU, SPring-8, using an automated data collection system <em>ZOO</em>. Data were acquired from four crystals of 5-Chlorotryptamine-bound trypsin. All datasets were collected using a continuous helical scan scheme for 360º oscillation with the following experimental parameters; Beam size: 10 µm × 15 µm, Wavelength: 1.0000 Å, Total dose/crystal: 10 MGy, Detector: EIGER X 9M (DECTRIS Co. Ltd.). All crystals belonged to space group P2<sub>1</sub>2<sub>1</sub>2<sub>1</sub> with unit cell parameters roughly corresponding to a=54.5, b=58.6, c=66.6 Å.</p>
Raw diffraction images of 4-Methoxybenzamidine-bound trypsin
<p>Trypsin is an enzyme in the first section of the small intestine that starts the digestion of protein molecules by cutting these long chains of amino acids into smaller pieces. </p> <p>We used datasets to investigate the protocol of detecting polymorphs using Hierarchical clustering (Acta D., submitted). All diffraction data were collected at BL32XU, SPring-8, using an automated data collection system <em>ZOO</em>. Data were acquired from four crystals of 4-Methoxybenzamidine -bound trypsin. All datasets were collected using a continuous helical scan scheme for 360º oscillation with the following experimental parameters; Beam size: 10 µm × 15 µm, Wavelength: 1.0000 Å, Total dose/crystal: 10 MGy, Detector: EIGER X 9M (DECTRIS Co. Ltd.). All crystals belonged to space group P212121 with unit cell parameters roughly corresponding to a=54.6, b=58.6, c=66.7 Å.</p>
Diffraction dataset collected for HeX-2 from T. suis
<p>Diffraction image collected on Eiger detector on proxima 1 on 110/09/2022 to solve the apo structure of Hex-2 from T. suis deposited under PDB code 8QK1. 3600 images 0.1° oscillation at 2.4 ansgtrom on the edge</p>
Interdimensional radial discrete diffraction in Mathieu photonic lattices - Control and manipulation of light in complex photonic systems (CompsLight)
<p>Experimental and numerical data from the journal paper published in Optics Express Vol. 31, Issue 18, pp. 28946-28953 (2023) (https://doi.org/10.1364/OE.497795). Experimental data contains original results in .jpg format, presenting intensity distributions of probe beam after propagation in a 2cm long Mathieu photonic lattices optically induced in cerium doped strontium barium niobate (Ce:SBN61) crystal. Numerical data are intensity distributions (I) that correspond to experimental data as Matlab files (.m format) as well as contain information about numerical space in micrometers (x, y). Data for Figure 5 contains probe beam intensity distributions (I) and lattice intensity distributions (L). </p> <p>We demonstrate transitional dimensionality of discrete diffraction in radial-elliptical photonic lattices. Varying the order, characteristic structure size, and ellipticity of the Mathieu beams used for the photonic lattices generation, we control the shape of discrete diffraction distribution over the combination of the radial direction with the circular, elliptic, or hyperbolic. We also investigate the transition from one-dimensional to two-dimensional discrete diffraction by varying the input probe beam position. The most pronounced discrete diffraction is observed along the crystal anisotropy direction.</p>
Dataset for "Scanning precession electron diffraction data analysis approaches for phase mapping of precipitates in aluminium alloys"
<p>Data needed to reproduce the results in "Scanning precession electron diffraction data analysis approaches for phase mapping of precipitates in aluminium alloys" published in Ultramicroscopy. The codes and notebooks can be found at 10.5281/zenodo.8321258.</p>
Raw Diffraction Images: Formation of a highly dense tetra rhenium cluster in a protein crystal and its implications in medical imaging.
<p>Exploration of a “time on shelf” protein structure containing the radiopharmaceutical synthon <em>fac</em>-[Re(CO)<sub>3</sub>(H<sub>2</sub>O)<sub>3</sub>]<sup>+ </sup>as an <em>in vivo</em> reaction vessel to form tetranuclear rhenium clusters appropriate for theranostic applications.That a protein crystal can serve as a chemical reaction vessel is intrinsically fascinating. That it can produce an electron dense tetranuclear rhenium cluster compound from a rhenium tricarbonyl tribromo starting compound adds to the fascination. The cluster has been synthesised before in vitro when it formed under basic conditions. Therefore its synthesis in a protein crystal grown at pH4.5 is even more unexpected. The X-ray crystal structures presented here are for the protein hen egg white lysozyme incubated with the rhenium tricarbonyl tribromo compound for periods of 1 year and 2 years. These reveal a completed, very well resolved, tetra rhenium cluster after two years and an intermediate state after 1 year where the carbonyl ligands to the rhenium cluster are not yet clearly resolved. A dense tetra-nuclear rhenium cluster, and its technetium form, offers enhanced medical imaging contrast. The raw diffraction images for the one year and two year protein structure, described in the manuscript, is made avaliable on the Zenodo repository.</p>
Data from: Diffractive tensorized unit for million-TOPS general-purpose computing
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Evidence for phonon hardening in laser excited gold using x-ray diffraction at a hard x-ray free electron laser
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Single crystal X-ray diffraction data of Th-TCPE and Ce-TCPE
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X-ray diffraction data, crystallographic information file, infrared spectra, and LA-ICP-MS depthprofiles of davemaoite
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Electron microscopy, energy-dispersive X-ray spectroscopy, & X-ray diffraction data from: Duck-billed dinosaur fleshy midline and hooves reveal terrestrial clay-template “mummification”
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Data from: Multiple origins of extra electron diffractions in fcc metals
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Data from: Visualizing mineralization processes and fossil anatomy using synchronous synchrotron X-ray fluorescence and X-ray diffraction mapping
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Diffraction images for PDB entry 6TPI - Structure of EnvC bound to the periplasmic domains of FtsX
<p>X-ray diffraction images for complex collected at Diamond Light Source in the UK.</p>
LiF data pack supporting "Observation of diffraction contrast in scanning helium microscopy"
<p>All the experimental data from the paper is included in this data pack including both the images and the z scans. </p> <p>Images from the paper are presented in three different formats with filenames scan00*****:</p> <p>1) .png file which is an unprocessed image of the raw data. <br> 2) .gwy file which is an unprocessed version of the data that can be opened in Gwyddion<br> 3) .mat file which contains all the measured data that can be opened in MATLAB</p> <p>The .mat file contains the most information and requires some explanation to easily understand.<br> The data is saved in a structure named meas, the key fields are as follows:</p> <p>meas.target - A matrix of the target position for each pixel, with a column for each of the x,y coordinates<br> meas.inputs - Input parameters used in the scanning program to collect the data<br> meas.initial_pos - Position of each the three stages at the start of the scan. The 3rd coordinate is the z scan and does not change throughout the scan<br> meas.data - A vector of the measured current at each pixel in Amps<br> meas.image - A matrix that represents the acquired image</p> <p>The remaining fields are explained at the bottom of the readme.</p> <p>The z scans are saved Z*****.mat and can be opened in MATALB.<br> The key variables in the data files are:</p> <p>z_position - Raw z coordinate of the positioner in nm<br> current_z - Measured current at each point in Amps<br> m - Horizontal scan gradient (approximately 1)<br> m2 - Vertical scan gradient (approximately 0)<br> step_pos - x coordiate at z_position=0<br> step_pos_v - y coordinate at z_position=0</p> <p>The x,y position at each point in the scan can then be obtained from<br> x=step_pos + m*(z_position)<br> y=step_pos_v + m2*(z_position)</p> <p><br> The true z distance between the pinhole and the sample in nm can be calculated from z=z_position-4295000</p> <p>The included data in the pack contains:</p> <p>Images presented in the paper:<br> scan001357<br> scan001361<br> scan001398<br> scan001415</p> <p>Z000006.mat - z scan of flat region<br> Z000008.mat - z scan of heavily distorted region<br> Z0000012.mat - z scan of lightly distorted region<br> Z000013.mat - z scan of HOPG</p> <p>z_scan_movie.avi - Video illustrating how the images vary with z<br> scan001401-scan001413 - Data to produce the video</p> <p>In addition, the analysis scripts have been included for reference. <br> The scripts can be used to regnerate the figures in the paper.</p> <p><br> The remaining fields in the meas structure are:<br> meas.date_time - Start date and time of the scan<br> meas.type - Scan pattern of the image. Always raster_jump<br> meas.p1 - Unused pressure<br> meas.p2 - Unused pressure<br> meas.p3 - Unused pressure<br> meas.p_srce - Source pressure at the start of the scan<br> meas.p_diff - Differential stage pressure at the start of the scan<br> meas.p_smpl - Sample pressure at the start of the scan<br> meas.p_det - Detector pressure at the start of the scan<br> meas.N_dwell - Number of current measurements taken at each pixel<br> meas.comments - comments (unused)<br> meas.det_params - Detector parameters used in the scan<br> meas.labtemp - A vector of the labtemp at each pixel (unused)<br> meas.return_state - Error status <br> </p>
Synchrotron Diffraction Data Recorded during High Temperature Deformation of Ti-64
<p>A caked synchrotron X-ray diffraction (SXRD) dataset, recording diffraction pattern rings during the high temperature deformation of a Ti-64 sample. The sample was deformed in uniaxial tension at 950°C and a strain rate of about 0.02 s-1, using an electro-thermal mechanical tester (ETMT) mounted on the I12:JEEP beamline at Diamond Light Source. Results were recorded using a high energy 89 keV synchrotron X-ray beam and a fast acquisition rate (10 Hz) detector. The results of this experiment are presented in the paper; </p> <p>C.S. Daniel, C.-T. Nguyen, M.D. Atkinson, J.Q. da Fonseca, Direct Evidence for Dynamic Phase Transformation during High Temperature Deformation in Ti-64, MATEC Web Conf. 321 (2020) 12037. <a href="https://doi.org/10.1051/matecconf/202032112037">10.1051/matecconf/202032112037</a></p> <p> </p>
Neutron powder diffraction from NIST 660c LaB6 standard for calibration of Wombat high-intensity neutron powder diffractometer
<p>Calibration data for the Wombat high intensity powder diffractometer, ANSTO, collected at a nominal wavelength of 1.64A from NIST 660c LaB<sub>6</sub> standard using the [224] reflection from a single crystal Ge monochromator, [335] cut. Note that B in this standard is enriched to 99% with isotope <sup>11</sup>B. The sample was loaded in a 6mm diameter vanadium cylindrical sample can.</p>
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