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81 results for “Raman data”
Data from: An infrared, Raman, and X-ray database of battery interphase components
<p>Further technological advancement of both lithium-ion and emerging battery technologies can be catalyzed by an improved understanding of the chemistry and working mechanisms of the solid electrolyte interphases (SEIs) that form at electrochemically active battery interfaces. However, collecting and interpreting spectroscopy results of SEIs is difficult for several reasons, including the chemically diverse composition of SEIs. To address this challenge, we herein present a vibrational spectroscopy and X-ray diffraction data library of ten suggested SEI chemical constituents relevant to both lithium-ion and emerging battery chemistries. The data library includes attenuated total reflectance Fourier transform infrared spectroscopy, Raman spectroscopy, and X-ray diffraction data, collected in inert atmospheres afforded by custom designed sample holders. The data library presented in this work (and online repository) alleviates challenges with locating related work that is either diffusely spread throughout the literature, or is non-existent, and provides energy storage researchers streamlined access to vital SEI-relevant data that can catalyse future battery research efforts.</p>
Experimental data to manuscript "Resonance-Induced Anomalies in Temperature-Dependent Raman Scattering of PdSe2"
<p>Experimental data to manuscript "Resonance-Induced Anomalies in Temperature-Dependent Raman Scattering of PdSe2"</p>
RAW data for Correlation analysis of vibration modes in physical vapour deposited Bi2Se3 thin films probed by the Raman mapping technique
<p>Raw data for the "Correlation analysis of vibration modes in physical vapour deposited Bi2Se3 thin films probed by the Raman mapping technique" paper.</p>
Data for Crystallographic orientation mapping of lizardite serpentinite by Raman spectroscopy
<p>The serpentine mineral lizardite displays strong Raman anisotropy in the OH-stretching region, resulting in significant wavenumber shifts (up to c. 14.5 cm <sup>-1</sup>) that depend on the orientation of the impinging excitation laser relative to the crystallographic axes. We quantified the relationship between crystallographic orientation and Raman wavenumber using well-characterised samples of Monte Fico lizardite by applying Raman spectroscopy and electron backscatter diffraction (EBSD) mapping on thin sections of polycrystalline samples and grain mounts of selected single crystals, as well as by a spindle stage Raman study of an oriented cylinder drilled from a single crystal. We demonstrate that the main band in the OH-stretching region undergoes a systematic shift that depends on the inclination of the c-axis of the lizardite crystal. The data are used to derive an empirical relationship between the position of this main band and the c-axis inclination of a measured lizardite crystal: y = 14.5 cos<sup>4 </sup>(0.013 x + 0.02) + (3670 ± 1), where y is the inclination of the c-axis with respect to the normal vector (in degrees) and x the main band position (wavenumber in cm <sup>-1</sup>) in the OH-stretching region. This new method provides a simple and cost-effective technique for measuring and quantifying the crystallographic orientation of lizardite-bearing serpentinite fault rocks, which can be difficult to achieve using EBSD alone. In addition to the samples used to determine the above empirical relationship, we demonstrate the applicability of the technique by mapping the orientations of lizardite in a more complex sample of deformed serpentinite from Elba Island, Italy.</p>
Original data for: Probing luminescence of rare earth ions in natural pink fluorites using Raman microscopes
<p>Data for Publication:</p> <p>Probing luminescence of rare earth ions in natural pink fluorites using Raman microscopes<br> Hans Hagemann, Sareh Ayoubipour, Teresa Delgado, Cédric Schnyder, Edwin Gnos</p> <p>Journal of Raman Spectroscopy, 2022;53:1464–1470</p> <p>https://doi.org/10.1002/jrs.6383</p> <p> </p>
Data and code for "Coral calcifying fluid aragonite saturation states derived from Raman spectroscopy"
<p>This file contains all the data and code for "Coral calcifying fluid aragonite saturation states derived from Raman spectroscopy" by DeCarlo et al. in Biogeosciences. Run the file, "run.R" in R to reproduce the analysis and create all the figures.</p> <p>Please see the published paper for methods and details: https://www.biogeosciences-discuss.net/bg-2017-194/</p>
Supplementary data to "High-Resolution Raman Imaging of >300 Patient-Derived Cells from Nine Different Leukemia Subtypes: A Global Clustering Approach"
<p>Compressed ".feather" files including the entire dataset of 319 Raman maps of the same number of cells from 19 patients affected by nine distinct leukemia subtypes.<br>Raw data have been pre-processed as follows using custom software (LabVIEW, National Instruments Corp., TX): a) cosmic rays removal by singular value decomposition (SVD); b) camera offset subtraction; c) CCD response correction (intensity and etaloning) using a tungsten halogen light with known emission (Avalight-HAL, Avantes BV, NL)); d) wavenumber calibration using the zero-wavenumber laser line, toluene and argon-mercury emission (CAL-2000, Ocean Optics, Germany); e) denoising by SVD.<br>More details in the open access published article and supplementary material (10.1021/acs.analchem.4c00787).</p>
Complete Data Set, Raman spectra for strains A/Nebraska/14/2019 and A/Hawaii/47/2014 collected at 785 nm and 532 nm
<p>This data contains Raman spectra for two different strains of Influenza A; A/Nebraska/14/2019 which is an H1N1 subtype and A/Hawaii/47/2014 which is an H3N2 subtype. There contains data for 10 separate growth cultures (i.e. 10 files) for each subtype, collected at two different wavelengths; 785 nm and 532 nm. This makes a total of 40 files. Each file has 400 spectra collected. All spectra were collected at 100x with a 5 second accumulation time. </p>
Molecular in situ monitoring of the pH-triggered response in adaptive polymers by two-dimensional Raman micro-correlation-spectroscopy - Raw Data
<p>Raw data for publication Molecular in situ monitoring of the pH-triggered response in adaptive polymers by two-dimensional Raman micro-correlation-spectroscopy</p>
Raman spectral data for mature mouse placenta scans
<p>Pre-processed and normalized Raman spectral data for three mouse placental tissue scans, and constructed image data at three different wavenumbers.</p>
Raman Spectroscopy of Monolayer to Bulk PtSe2 Exfoliated Crystals - Supporting data
<p>Data supporting the findings of the publication:</p> <p>M. Tharrault, E. Desgué, D. Carisetti, B. Plaçais, C. Voisin, P. Legagneux, and E. Baudin, Raman spectroscopy of monolayer to bulk ptse2 exfoliated crystals (2023), arXiv:2307.15520.</p> <p> </p> <p>Files available:</p> <p>"Procedure.txt": detailed experimental protocol</p> <p>"sample_name spectrum.csv": the Raman spectra data files, one per sample</p> <p>"sample_name parameters.csv": the Raman spectra fit parameters data files, one per sample</p> <p>"Number of layers attribution.txt": the layer count of each sample</p>
Source data for: Raman sideband cooling of molecules in an optical tweezer array
<p>Ultracold molecules, because of their rich internal structures and interactions, have been proposed as a promising platform for quantum science and precision measurement. Direct laser-cooling promises to be a rapid and efficient way to bring molecules to ultracold temperatures. For trapped molecules, laser-cooling to the quantum motional ground state remains an outstanding challenge. A technique capable of reaching the motional ground state is Raman sideband cooling, first demonstrated in trapped ions and atoms. In this work, we demonstrate for the first time Raman sideband cooling of molecules. Specifically, we demonstrate 3D Raman cooling for single CaF molecules trapped in an optical tweezer array, achieving average radial (axial) motional occupation as low as $\bar{n}_r=0.27(7)$ ($\bar{n}_z=7.0(10)$). Notably, we measure a 1D ground state fraction as high as 0.79(4), and a motional entropy per particle of $s = 4.9(3)$, the lowest reported for laser-cooled molecules to date. These lower temperatures could enable longer coherence times and higher fidelity molecular qubit gates desirable for quantum information processing and quantum simulation. With further improvements, Raman cooling could also be a new route towards molecular quantum degeneracy applicable to many laser-coolable molecular species including polyatomic ones. </p>
Data from: Pushing Raman spectroscopy over the edge: purported signatures of organic molecules in fossil animals are instrumental artefacts
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Source data for: Raman sideband cooling of molecules in an optical tweezer array
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Data from: An infrared, Raman, and X-ray database of battery interphase components
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Data from: Chemo-mechanical characterisation of carious dentine using Raman microscopy and Knoop microhardness
<p>One of the aims in the clinical operative management of dental carious lesions is to remove selectively, the highly infected and structurally denatured dentine tissue, while retaining the deeper, repairable affected and intact, healthy tissues for long-term mechanical strength. The present study examined the correlation of chemical functional groups and the microhardness through the different depths of a carious lesion using Raman spectroscopy and Knoop microhardness testing. The null hypothesis investigated was that there was no correlation between Raman peak ratios (amide I: phosphate ν1) and equivalent Knoop microhardness measurements. Ten freshly extracted human permanent teeth with carious dentine lesions were sectioned and examined using high-resolution Raman microscopy. The ratio of absorbency at the amide I and phosphate bands were calculated from 139 scan points through the depth of the lesions and correlated with 139 juxtaposed Knoop microhardness indentations. The results indicated a high correlation (p<0.01) between the peak ratio and the equivalent Knoop hardness within carious dentine lesions. This study concluded that Raman spectroscopy can be used as a non-invasive analytical technology for in-vitro studies to discriminant the hardness of carious dentine layers by using the peak ratio as an alternative to the invasive, mechanical Knoop hardness test.</p>
Raman imaging data
<p>The data set used for the articles consists of a series of Raman imaging measurements conducted on the surfaces (XY axis) and depth profiles (XZ axis) of three types of nuclear graphite (IG-110, NBG-17, and in-house NCBJ graphite). The measurements were performed using a confocal WITec alpha 300R microspectrometer (Oxford Instruments), controlled by WITec Control 5.2 software and equipped with a 532 nm laser. The maps had the following dimensions: for the surface, 25 × 25 μm in the X and Y directions (50 points per 50 lines, with a point taken every 0.5 μm), and for the in-depth analysis, 25 × 25 μm in the X and Z directions (50 points per 50 lines, with a point taken every 0.5 μm). The measurements were acquired using a Zeiss LD EC Epiplan-Neofluar Dic 50x/0.55 lens, a 600 lines/mm grating, and a 3-second acquisition time. The laser power was set to 10 mW for surface measurements and 20 mW for in-depth analysis. Subsequent analysis of the acquired data was conducted using WITec Project FIVE 5.2 software, which involved cutting the spectral region of interest, baseline correction, cosmic ray removal (CCR), band fitting, basic calculations, and chemometric analysis (K-means clustering, KMC). The data presented in this study are as-measured with no postprocessing applied.</p> <p><strong>Files inventory:</strong></p> <table> <tbody> <tr> <td> <p><strong>No</strong></p> </td> <td> <p><strong>File name</strong></p> </td> <td> <p><strong>Format</strong></p> </td> <td> <p><strong>Details</strong></p> </td> </tr> <tr> <td> <p><strong>1</strong></p> </td> <td> <p>IG-110_1e12_Ar</p> </td> <td> <p>.wip</p> </td> <td> <p>Raman imaging of IG-110 nuclear graphite irradiated with Ar<sup>+</sup> ions with varying fluence (1E12, 1E16, 2E17 ion/cm<sup>2</sup>) – data collected from surface and depth profiles</p> </td> </tr> <tr> <td> <p><strong>2</strong></p> </td> <td> <p>IG-110_1e16_Ar</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>3</strong></p> </td> <td> <p>IG-110_2e17_Ar</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>4</strong></p> </td> <td> <p>NBG-17_1e12_Ar</p> </td> <td> <p>.wip</p> </td> <td> <p>Raman imaging of NBG-17 nuclear graphite irradiated with Ar<sup>+</sup> ions with varying fluence (1E12, 1E16, 2E17 ion/cm<sup>2</sup>) – data collected from surface and depth profiles</p> </td> </tr> <tr> <td> <p><strong>5</strong></p> </td> <td> <p>NBG-17_1e16_Ar</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>6</strong></p> </td> <td> <p>NBG-17_2e17_Ar_depth</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>7</strong></p> </td> <td> <p>NBG-17_1e12_Ar_surface</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>8</strong></p> </td> <td> <p>NCBJ_1e12_Ar</p> </td> <td> <p>.wip</p> </td> <td> <p>Raman imaging of NCBJ nuclear graphite irradiated with Ar<sup>+</sup> ions with varying fluence (1E12, 1E16, 2E17 ion/cm<sup>2</sup>) – data collected from surface and depth profiles</p> </td> </tr> <tr> <td> <p><strong>9</strong></p> </td> <td> <p>NCBJ_1e16_Ar</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>10</strong></p> </td> <td> <p>NCBJ_2e17_Ar</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>11</strong></p> </td> <td> <p>IG-110_1e12_He</p> </td> <td> <p>.wip</p> </td> <td> <p>Raman imaging of IG-110 nuclear graphite irradiated with He<sup>+</sup> ions with varying fluence (1E12, 1E16, 2E17 ion/cm<sup>2</sup>) – data collected from surface and depth profiles</p> </td> </tr> <tr> <td> <p><strong>12</strong></p> </td> <td> <p>IG-110_1e16_He</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>13</strong></p> </td> <td> <p>IG-110_2e17_He</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>14</strong></p> </td> <td> <p>NBG-17_1e12_He</p> </td> <td> <p>.wip</p> </td> <td> <p>Raman imaging of NBG-17 nuclear graphite irradiated with He<sup>+</sup> ions with varying fluence (1E12, 1E16, 2E17 ion/cm<sup>2</sup>) – data collected from surface and depth profiles</p> </td> </tr> <tr> <td> <p><strong>15</strong></p> </td> <td> <p>NBG-17_1e16_He</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>16</strong></p> </td> <td> <p>NBG-17_2e17_He</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>17</strong></p> </td> <td> <p>NCBJ_1e12_He</p> </td> <td> <p>.wip</p> </td> <td> <p>Raman imaging of NCBJ nuclear graphite irradiated with He<sup>+</sup> ions with varying fluence (1E12, 1E16, 2E17 ion/cm<sup>2</sup>) – data collected from surface and depth profiles</p> </td> </tr> <tr> <td> <p><strong>18</strong></p> </td> <td> <p>NCBJ_1e16_He</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>19</strong></p> </td> <td> <p>NCBJ_2e17_He</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>20</strong></p> </td> <td> <p>IG-110_pristine_depth</p> </td> <td> <p>.wip</p> </td> <td> <p>Raman imaging of IG-110, NBG-17 and NCBJ nuclear graphites before irradiation – data collected from surface and depth profiles</p> </td> </tr> <tr> <td> <p><strong>21</strong></p> </td> <td> <p>IG-110_pristine_surface</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>22</strong></p> </td> <td> <p>NBG-17_pristine</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>23</strong></p> </td> <td> <p>NCBJ_pristine_depth</p> </td> <td> <p>.wip</p> </td> </tr> <tr> <td> <p><strong>24</strong></p> </td> <td> <p>NCBJ_pristine_ surface</p> </td> <td> <p>.wip</p> </td> </tr> </tbody> </table> <p> </p> <p> </p>
Raman data
<p>All of the results presented in the article were obtained by analyzing 5 Raman files. The Raman data were saved in a folder named “Raman data”, and each file is identified by corresponding sample in the article (i.e. Sa1-5). Files can be opened by the WITec Control FIVE 5.2 PLUS software. To reproduce the results presented in article, it is necessary to use the WITec software and the existing data analysis functions, such as K-means clustering and built-in fitting function, followingthe methodology presented in the article. The generated data from the average spectra of K-means clustering may be fitted with any available fitting program to obtain similar accuracy.</p>
LIBS and raman spectral data in the qaidam analog
<p>Biosignature detection is one of the most important goals in Mars missions. Since the Curiosity mission, the laser-induced breakdown spectrometer (LIBS) becomes an essential payload due to its convenience and versatility in profiling elemental chemistry. To test whether LIBS alone could filter potential biosignatures, a clastic quartz stone collected from a Mars analog setting, the western Qaidam Basin, was selected for LIBS analysis. Raman spectroscopy was used as an indicator of organic signals to support the presence of potential hypolithic communities and the dearth of epilithic biomass on the rock. A total of 344 LIBS spectra were determined and statistically analyzed using principal component analysis (PCA). Our results indicate that, with a sufficient sample size, PCA analysis can partially differentiate biotic and abiotic signals based on LIBS measures. This finding is significant since it indicates that multivariate analysis of LIBS data can be useful for biosignatures filtering on Mars exploration.</p>
Data for Single-Molecule Tip-Enhanced Raman Spectroscopy of C60 on the Si(111)-(7×7) Surface
<p>Data for Single-Molecule Tip-Enhanced Raman Spectroscopy of C60 on the Si(111)-(7×7) Surface</p>
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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.