Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
689
datasets available to search
ShareScore release 0.9.0
Dataset results
689 results for “crystals”
Fig. 12 in Nanostructure of biogenic versus abiogenic calcium carbonate crystals
Fig. 12. Sparry calcite developed between septa of fossil scleractinian corals. A. ZPAL V.31/8 (lower Maastrichtian, Upper Cretaceous, Lubycza Królewska, Lublin Upland, eastern Poland). B. ZPAL V.31/9 (Carnian, Upper Triassic, Alpe di Specie, Dolomites, Italy). Polished and etched (formic acid, 1%, 20s) ZPAL V.31/8 sparry calcite in two enlargements (A1, A3). Back−Scattered Electron Microscopy image (A2) shows complex history of idividual calcite grain, highlighting zones of different elemental composition: those with elements of lower atomic numbers are darker (core of the grain outlines with arrows), whereas those of higher atomic numbers are lighter (outer part). A4–A7, B1, B2, AFM (contact mode; buffered pH = 8, ammonium persulfate 1%, 10 min.): height−2D projection (A4, A6, B1), and deflection (A5, A7, B2) images of 2×2 µm (A4, A5) and 500×500 nm (A6, A7, B1, B2) sample surface. Nanograins on A4–A7 are ca. 60–100 nm in diameter. Grayscale bars (left) show z−scale (height) of 2D projection images.
Fig. 10 in Nanostructure of biogenic versus abiogenic calcium carbonate crystals
Fig. 10. Tropiastraeid scleractinian, undetermined. Upper Carnian (Upper Triassic), Alpe di Specie, Dolomites, Italy; ZPAL V.31/6. Polished and etched (formic acid, 1%, 20s) septum with aragonite fibers; two enlargements (A, B); fiber's tapering (e.g., arrow in B) is possibly related to original organic matter enrichment zones. AFM (contact mode; buffered pH = 8, ammonium persulfate 1%, 10 min.): height−2D projection (C, E), and deflection (D, F) images of 2×2 µm (C, D) and 500×500 nm (E, F) skeletal surface. Nanograins ca. 60 (commonly 80) –100 nm in diameter. Grayscale bars (left) show z−scale (height) of 2D projection images.
Dataset for "High power single crystal KTA optical parametric amplifier for efficient 1.4–3.5 µm mid-IR radiation generation"
<p>The dataset represents the experimental data for publication "High power single crystal KTA optical parametric amplifier for efficient 1.4–3.5 µm mid-IR radiation generation".</p>
EBEC-MicroED: Static electron diffraction movies collected at different incident flux on a direct electron detector (DE Apollo) on crystals of (S,S) Jacobsen's salen ligand and Co(II) porphyrin, and diffraction tilt series recorded on the DE Apollo and CetaD detector for the same crystals of Jacobsen's Ligand
<p>This record contains static diffraction movies recorded from crystals of (S,S) Jacobsen's salen ligand, and crystals of Co(II) meso-tetraphenyl porphyrin, using a direct electron detector (DE Apollo) in counting mode. Data were acquired at varying different incident flux settings, referred to as "spotsize11" or "spot11" (0.01 electrons per square Angstoms per second), "spotsize10" or "spot10" (0.03 electrons per square Angstrom per second), "spotsize9" or "spot9" (0.045 electrons per square angstrom per second)", and "spotsize8" or "spot8" (0.084 electrons per sqaure Angstrom per second. For each compound these trials, the same crystal ("crystal1", "crystal2", etc.) was conserved across a dose series, and illuminated at each incident flux from lowest to highest in sequence.</p> <p>Additionally, this record contains diffraction tilt series acquired from crystals of (S,S) Jacobsen's ligand, first on the Ceta D and next on the DE Apollo, rotating at 2 degrees per second with an incident flux of either 0.01 or 0.045 electrons per square Angstrom per second.</p> <p>All data is saved in mrc file format, with the exception of movies from the Ceta D, which are saved in ser file format.</p>
EBEC-MicroED: Electron diffraction tilt series recorded on crystals of thiostrepton at 100 K using a direct electron detector (DE Apollo)
<p>This record contains diffraction tilt series recorded from crystals of thiostrepton using a direct electron detector (DE Apollo) in counting mode. Incident flux and stage rotation rate are varied, for a total of three data collection settings giving variable total electron beam fluence. The keywords "fast" and "slow" in the titles of the dataset file indicates that the stage was rotated at either 2 degrees/second, or 0.33 degrees/second, respectively. Data were additionally acquired at two different incident flu settings, referred to as "spotsize11" or "spot11" (0.01 electrons per square Angstoms per second) and "spotsize9" or "spot9" (0.045 electrons per square angstrom per second)"</p> <p>The keyword "clfix" in certain file names indicates that these datasets are versions of the correspondingly named dataset file with an adjustment to pixel values to correct for coincidence loss applied to the frames.</p> <p>All data is saved in mrc file format.</p>
EBEC-MicroED: Electron diffraction tilt series recorded on crystals of (S,S) Jacobsen's salen ligand at 293 K using a direct electron detector (DE Apollo)
<p>This record contains diffraction tilt series recorded from crystals of (S,S) Jacobsen's salen ligand using a direct electron detector (DE Apollo) in counting mode. Incident flux and stage rotation rate are varied, for a total of three data collection settings giving variable total electron beam fluence. The keywords "fast" and "slow" in the titles of the dataset file indicates that the stage was rotated at either 2 degrees/second, or 0.33 degrees/second, respectively. Data were additionally acquired at two different incident flu settings, referred to as "spotsize11" or "spot11" (0.01 electrons per square Angstoms per second) and "spotsize9" or "spot9" (0.045 electrons per square angstrom per second)"</p> <p>All data is saved in mrc file format.</p>
EBEC-MicroED: Electron diffraction tilt series recorded on crystals of biotin at 100 K using a direct electron detector (DE Apollo)
<p>This record contains diffraction tilt series recorded from crystals of biotin using a direct electron detector (DE Apollo) in counting mode. Incident flux and stage rotation rate are varied, for a total of three data collection settings giving variable total electron beam fluence. The keywords "fast" and "slow" in the titles of the dataset file indicates that the stage was rotated at either 2 degrees/second, or 0.33 degrees/second, respectively. Data were additionally acquired at two different incident flu settings, referred to as "spotsize11" or "spot11" (0.01 electrons per square Angstomr per second) and "spotsize9" or "spot9" (0.045 electrons per square angstrom per second)"</p> <p>All data is saved in mrc file format.</p>
Data for the publication "Repurposing weather modification for cloud research showcased by ice crystal growth"
<p><span>This repository contains the data of the publication:</span></p> <p><span>"Repurposing weather modification for cloud research showcased by ice crystal growth"</span></p> <p><span>Ramelli et al., 2024, PNAS Nexus</span></p>
Dataset of the manuscript: Predictive design to determine optimal absorber placement in colloidal photonic crystals
<p><span>This data publication is based on the metadata and datasets underlying the manuscript "Predictive design to determine optimal absorber placement in colloidal photonic crystals". The Data is roughly organized by the figure of appearance.</span></p> <p><span>Figure 1 contained no result data</span></p> <p><span>Figure "Figure 2" contains:</span></p> <ul> <li><span>Simulated and experimental reflectance spectra of bare PS colloidal crystal and CIELab color coordinates of simulated bare PS colloidal crystal.</span></li> </ul> <p><span>Figure "Figure 3+4" contains:</span></p> <ul> <li><span>Data for particle based and layer based designs for chroma optimization according to Eq. 2 </span></li> <ul> <li><span>convergence history J(steps)</span></li> <li><span>Optimized design absorber distributions (average of layers)</span></li> <li><span>CIELab color coordinates</span></li> <li><span>Spectra</span></li> </ul> <li><span>CIELab color coordinates and Chroma of all predictive designs sorted by threshold L value according to Eq. 3 + comparative designs: bottom absorber, top absorber, homogeneous.</span></li> </ul> <p><span>Figure "Figure 5" contains:</span></p> <ul> <li><span>Chemdraw File containing chemical structures</span></li> <li><span>Pendant drop surface tension measurements </span></li> <li><span>Surface pressure increase on Langmuir-Blodgett trough</span></li> </ul> <p><span>Figure "Figure 6" contains:</span></p> <ul> <li><span>SEM images of mono- and multilayers labeled in accordance to design and composition</span></li> </ul> <p><span>Figure "Figure 7+8" contains:</span></p> <ul> <li><span>Photographs of fabricated multilayers</span></li> <ul> <li><span>Homogeneous designs labeled in accordance to composition</span></li> <li><span>Layered designs labeled in accordance to design type (XBA: bottom absorber with X absorbing numbers; XTA: bottom absorber with X absorbing numbers; Ld_XX: predictive design with L threshold of XX)</span></li> </ul> <li><span>Spectra of all samples including their error determined from 2 measurements</span></li> <li><span>Average spectra of all designs (averaged from all samples of that design) including their error estimated using gaussian error propagation</span></li> <li><span>Color data of all samples calculated from spectra </span></li> <ul> <li><span>CIELab coordinates and Chroma</span></li> <li><span>xyz values</span></li> <li><span>RGB values</span></li> </ul> </ul> <p><span>Figure "Figure 9" contains:</span></p> <ul> <li><span>Optimized design absorber distributions, spectra and CIELab color coordinates and chroma for colloidal crystals of varying primary particle size</span></li> </ul>
Images of nematic liquid crystal interfaces under different flow conditions
<p>The images were collected from microfluidic 5CB-water interfaces. The channel geometries, flow configurations, interfacial 5CB anchoring conditions, image types, and imaging settings are indicated in the .xlsx files.</p>
Polycondensation, Cyclization and Disproportionation of Solid Poly(L-lactide) Trifluoroethyl Esters and the Simultaneous Formation of Extended Chain Crystals and Extended Ring Crystals
<p>This set contains all data used for composing MALDI and DSC figures in "Polycondensation, Cyclization and Disproportionation of Solid Poly(L-lactide) Trifluoroethyl Esters and the Simultaneous Formation of Extended Chain Crystals and Extended Ring Crystals" for publication in POLYMER (Elsevier)</p>
On the Crystal Structure of Colloidally Prepared Metastable Ag2Se Nanocrystals
<p>Structural polymorphism is known for many bulk materials; however, on the nanoscale metastable polymorphs tend to form more readily than in the bulk, and with more structural variety. One such metastable polymorph observed for colloidal Ag<sub>2</sub>Se nanocrystals has traditionally been referred to as the “tetragonal” phase of Ag<sub>2</sub>Se. While there are reports on the chemistry and properties of this metastable polymorph, its crystal structure, and therefore electronic structure, has yet to be determined. We report that an anti-PbCl<sub>2</sub>-like structure type (space group <em>P</em>2<sub>1</sub>/<em>n</em>) accurately describes the powder X-ray diffraction and X-ray total scattering patterns of colloidal Ag<sub>2</sub>Se nanocrystals prepared by several different methods. Density functional theory (DFT) calculations indicate that the anti-PbCl<sub>2</sub>-like Ag<sub>2</sub>Se polymorph is a dynamically stable, narrow-band gap semiconductor. DFT results reveal a dense theoretical Ag<sub>2</sub>Se phase space with many low-energy polymorphs, which helps explain the large number of polymorphs reported in the literature.</p> <p> </p> <p>Analysis and calculation data are stored in the zip archive. The `ag2se-calcs.aiida.` contains the provenance of the calculations and can be imported into an AiiDA database instance. The <a href="https://zenodo.org/api/files/baed3fb2-a4d3-49f7-a5d1-cb8da7cdbf28/antiPbCl2like_Ag2Se_laboratory.cif?versionId=36c207de-c537-4217-9b96-1ae08c2b487e">antiPbCl2like_Ag2Se_laboratory.cif</a> file is the Reitveld refined Ag2Se structure starting from the PbCl<sub>2</sub> structure.<br> </p> <p>Also hosted on <a href="https://github.com/SMTG-UCL/ag2se-anti-pbcl2-paper">GitHub</a> with minor revisions.</p> <p>Published paper: <a href="https://doi.org/10.1021/acs.nanolett.1c02045">https://doi.org/10.1021/acs.nanolett.1c02045</a></p>
Molecular trajectories and general MD files: Molecular insights on confined water in the nanochannels of self-assembled ionic liquid crystal
<p>This repository includes the MD simulation dataset of self-assembled ionic liquid crystal reported in the article of <a href="https://doi.org/10.1126/sciadv.abf0669"><em>Sci. Adv.</em> <strong>7</strong>, eabf0669 (2021) [DOI: 10.1126/sciadv.abf0669]</a>. The chemical structure of ionic liquid crystal is described in <a href="https://advances.sciencemag.org/content/advances/7/31/eabf0669/F1.large.jpg">Fig. 1A</a>. The cation involves an ionic moiety of <em>N</em>-methyl-<em>N</em>,<em>N</em>,<em>N</em>-triethylammonium group, and the terminals of the two alkyl chains are conjugated dienes. The anion is tetrafluoroborate BF<sub>4</sub>. The molecular and atomic-group charges of cation and anion are shown in the topology files named "ilc-oplsdft.itp" and "bf4-oplsdft.itp", respectively. The TIP3P and TIP4P/2005 models are employed for water molecules. After the careful equilibration process, the production MD was performed for 50 ns under the <em>NPT</em> condition at each composition. This dataset provides the configuration, topology, and general MD input files of Gromacs for all the states and models of bicontinuous and columnar structures obtained in the article. The 3D view of bicontinuous and columnar structures can be available in <a href="https://advances.sciencemag.org/content/advances/7/31/eabf0669/F2.large.jpg">Fig. 2</a>. The attached edr and log files are energy and general outputs of the MD simulation generated in our environment, and the xtc file is a trajectory output generated with a time interval of 20 ps.</p>
FIGURE 233 in GEORGE MELIKA, JULI PUJADE-VILLAR, JAMES A. NICHOLLS, VICTOR CUESTA-PORTA, CRYSTAL COOKE-McEWEN & GRAHAM N. STONE (2021) Three new Nearctic genera of oak cynipid gall wasps (Hymenoptera: Cynipidae: Cynipini): Burnettweldia Pujade-Villar, Melika & Nicholls, Nichollsiella Melika, Pujade-Villar & Stone, Disholandricus Melika, Pujade-Villar & Nicholls; and re-establishment of the genus Paracraspis Weld. Zootaxa, 4993: 001-081.
FIGURE 233. Consensus tree showing the relationships among the three new Nearctic gall wasp genera Burnettweldia, Nichollsiella and Disholandricus, the re-established genus Paracraspis and other allied genera, based on a Bayesian analysis of a concatenation of three loci (cytochrome b, long-wavelength opsin, and the D2 region of the 28S rRNA gene). Numbers above nodes indicate posterior probability support; nodes with <70% support have been collapsed.
Text-fig. 19. Scanning electron microscope (SEM; d, e) and synchrotron radiation X-ray tomographic microscopy (SRXTM; a–c) images of a seed of Kvacekispermum costatum sp. nov. (a–c) and Kvacekispermum sp. (d, e); Torres Vedras locality, Portugal. a, b) Isolated, abraded seeds showing densely spaced longitudinal ridges; c) Detail of abraded seed in (b) showing surface of endotesta with imprints of crystals; d) Isolated, abraded seed showing longitudinal ridges; e) Abraded seed surface showing surface of endotesta with imprints of crystals. Specimens, TV44-S174098 (holotype; a), TV38-S174099 (b, c), TV43-S174612 (d, e). Scale bars 300 Μm (a, b, d), 50 Μm (c, e). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 19. Scanning electron microscope (SEM; d, e) and synchrotron radiation X-ray tomographic microscopy (SRXTM; a–c) images of a seed of Kvacekispermum costatum sp. nov. (a–c) and Kvacekispermum sp. (d, e); Torres Vedras locality, Portugal. a, b) Isolated, abraded seeds showing densely spaced longitudinal ridges; c) Detail of abraded seed in (b) showing surface of endotesta with imprints of crystals; d) Isolated, abraded seed showing longitudinal ridges; e) Abraded seed surface showing surface of endotesta with imprints of crystals. Specimens, TV44-S174098 (holotype; a), TV38-S174099 (b, c), TV43-S174612 (d, e). Scale bars 300 Μm (a, b, d), 50 Μm (c, e).
Porous single crystal unit-cell simulation database for ductile fracture by void growth and coalescence
<p>Ductile fracture through void growth to coalescence occurs at the grain scale in numerous metallic alloys encountered in engineering applications. In order to perform mechanical homogenization of porous single crystals, a database of porous single crystal unit-cell simulation results has been gathered through Finite Element Modeling and Fast-Fourrier Transform simulations, respectively performed on Z-set and Amitex_FFTP. In these simulations, a cubic unit-cell with a unique central spherical void undergo axisymmetric mechanical loading. Mechanical simulations are performed within finite strain theory. Input parameters of interest are stress triaxiality, crystallographic orientation, initial porosity and strain hardening law type; results include macroscopic stress, macroscopic deformation gradient, porosity, void aspect ratio, ligament size and cell aspect ratio.</p>
Single crystal X-ray diffraction data for Rhizobium radiobacter N-carbamoyl-beta-alanine amidohydrolase
<p>Single crystal X-ray diffraction data for Rhizobium radiobacter N-carbamoyl-beta-alanine amidohydrolase collected from crystals produced as below:</p> <p>Purified recombinant RrCβAA was concentrated to 15 mg/mL using a 10 kDa MWCO centrifugal concentrator (Vivaspin) and subjected to sitting drop vapor diffusion crystallization screening with commercial screens from Molecular Dimensions and Hampton Research. Drops of 100 nL protein plus 100 nL well solution were set up against wells containing 70 L of crystallisation solutions. After two weeks crystals were found in xxx condition. An optimisation screen based on this condition was set up in 24 well plates by varying the PEG1500 concentration and MMT buffer pH. Drops of 1 μL protein and 1 μL well solution were set up on plastic cover slips over wells containing 1 ml crystallisation solution. Crystals grew in a well solution containing 23 % (w/v) PEG1500 and 100 mM MMT pH 6.0. Crystals were harvested with a LithoLoop (Molecular Dimensions Limited) and transferred to a cryoprotection solution of well solution supplemented with 50 % PEG400. Cryoprotected crystals were flash cooled in liquid nitrogen. </p>
Data from the NASCENT campaign used in the publications: "Conditions favorable for secondary ice production in Arctic mixed-phase clouds" and "Understanding the history of two complex ice crystal habits deduced from a holographic imager"
<p>This repository contains the data from the Ny‐Ålesund AeroSol Cloud ExperimeNT campaign (NASCENT). This data were used to produce the figures in the two papers:</p> <p>(1) Pasquier, J. T., Henneberger, J., Ramelli, F., Korolev, A.,Wieder, J., Lauber, A., Li, G., David, R. O., Carlsen, T., Gierens, R., Maturilli, M., and Lohmann, U.: Understanding the history of two complex ice crystal habits deduced from a holographic imager, Geophys. Res. Lett., accepted, 2022</p> <p> </p> <p>(2) Pasquier J. T., Henneberger J., Ramelli F., Lauber A., David O. D., Wieder J., Carlsen T., Gierens R., Maturilli M., and Lohmann U.:Conditions favorable for secondary ice production in Arctic mixed-phase clouds, ACP, accepted.</p> <p>More information can be found in the README files.</p> <p> </p> <p>The scripts to reproduced the Figures are available on Zenodo</p> <p>(1) https://doi.org/10.5281/zenodo.7402296</p> <p>(2) https://doi.org/10.5281/zenodo.7407107</p>
Compilation of LCF and TMF Data for Single-Crystal and Directionally-Solidified Ni-base Superalloys Loaded in <001>
<p>This Excel file contains a compilation of low cycle fatigue (LCF) and thermomechanical fatigue (TMF) data for single-crystal (SX) and directionally-solidified (DS) Ni-base superalloys that are typically used for blades and vanes in gas turbines. Most of the data is generated by strain-controlled uniaxial fatigue tests. Both continuous cycling and cycles with dwells (hold times) at either the maximum or minimum of the cycle are included in the dataset.</p> <p>Several different alloys with similar mechanical behaviors are included in the dataset. The dataset only includes materials that have undergone a solution and age heat treatment typical of that applied to blade and vane components. All the fatigue data in this dataset is limited to uniaxial cyclic loading in the <001> direction for SX and in the longitudinal direction for DS alloys. The data in this dataset has been extracted from the public domain. The sources of the data are included in the Excel file.</p> <p>This data is used to train a Probabilistic Physics-guided Neural Network (PPgNN) that outputs a strain-life curve, including the mean response and 95% confidence intervals. The INPUTS and OUTPUTS used in the PPgNN are highlighted in the Excel file.</p>
Laser Response in ECAL Crystals in CMS Detector
<p>The dataset contains the Laser responses of the Lead-Tungstate crystals in the Electromagnetic Calorimeter (ECAL) of the CMS Experiment recorded during the Run 2 (2016-2018) of LHC running. The datasets consists of two tar folders: one corresponding to the "plus" side of the detector and one corresponding to the "minus" side. Each folder contains files in csv format, each file corresponding to the histories of all crystals in each "ieta" ring. The detailed description of the columns can be found under the section names "dataset" on Github pages at https://fair-umn.github.io/fair_ecal_monitoring.</p>
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.