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8 results for “Raman mapping”
Carbon x-ray Raman scattering mapping and spectroscopy of a fragment of Lepidodendron trunk from the Upper Carboniferous
<p>Carbon x-ray Raman scattering mapping and spectroscopy of a fragment of Lepidodendron trunk from the Upper Carboniferous (ca. 305 Mya) of Noyelles-lez-Lens, France</p>
Fig. 3. Spatial 2D in Nir Raman Scattering For The Study Of Biochemical Features Of The Human Skin Epidermis And A Skin Surface Micro-Mapping In Vitro
Fig. 3. Spatial 2D image of the human epidermis surface: A) an optical image; B) mapping scheme; C) micro–Raman signal intensity map.
Fig. 2 in Nir Raman Scattering For The Study Of Biochemical Features Of The Human Skin Epidermis And A Skin Surface Micro-Mapping In Vitro
Fig. 2. Average Raman spectra of the unprocessed right–hand index fingertips skin epidermis of the 2 volunteers (in vitro). A,B,C- the man's skin samples D,E,F- the women's skin samples.
Fig.1 in Nir Raman Scattering For The Study Of Biochemical Features Of The Human Skin Epidermis And A Skin Surface Micro-Mapping In Vitro
Fig.1. The estimates of pure Raman spectra: A. - the man's skin right–hand index fingertips epidermis, B. - the women's skin right–hand index fingertips epidermis, measured directly from the sample surface (in vitro).
Raman spectroscopic mapping and atomic force microscopy statistical analyses for the determination of WS2 flake thickness
<p><span>This database contains the statistical analyses carried out in order to evaluate the thickness of the WS</span><sub><span>2</span></sub><span> nanoflakes. In order to have a reliable comparison we determine the methodology of comparing Raman spectroscopic mapping and atomic force microscopy (AFM). </span></p> <p><span>In case of Raman spectroscopy, the thickness is evaluated by employing the separation of the two vibrational mode, namely E</span><sub><span>2g</span></sub><span> and A</span><sub><span>1g</span></sub><span>. This method is well-established and the number of layers has been previously tabulated in different articles. </span></p> <p><span>Each spectrum of the Raman analysis, is performed with a 100X objective in a confocal microscope, with a 473 nm laser excitation, a laser power of 0.5 mW and an acquisition time of 1 s.</span></p> <p><span>The AFM analysis are carried out in tapping mode with a 512-pixel x 512-pixel resolution and and a scan rate of 1Hz per line.</span></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>
Dataset 02: DS2.WP2_0.2 - Raman mapping results of LIFT printed graphene
<p>Raw Raman mapping results of LIFT printed graphene on SiO2/Si.</p>
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Allen Brain Atlas
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International Brain Laboratory public data
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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.