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5 results for “NEXAFS”
STXM-NEXAFS Analysis of Mineral-Organic Carbon Associations and OC Composition in North Atlantic Sediments
<p>Scanning transmission X-ray microscopy coupled with near edge X-ray absorption spectroscopy (STXM-NEXAFS) data collected on beamline 11.0.2 at the Advanced Light Source (ALS, Lawrence Berkeley National Laboratory) on sediment samples from the North Atlantic gyre collected during piston coring cruise KN223 on the R/V Knorr in 2014. Data include (a) sample geochemistry and lithology (metadata, "STXMNEXAFS_Sample_Geochem.xlsx"), (b) transmission microscopy images with overlaid element masks (organic and inorganic carbon, Al, Fe, Mn, K, and Ca, "mask images.zip") and marked regions ("region images.zip") that carbon NEXAFS spectra were extracted from, (c) NEXAFS spectra extracted from element masks and marked regions ("STXMNEXAFS_mask_reg_spectra_data.xlsx"), and (d) pixel intensity maps of mineral-forming elements used to make element correlation plots ("pixel correlation maps.zip"). The use of the Advanced Light Source is supported by the US Department of Energy, Office of Science, Office of Basic Energy Sciences under contract<br>no. DE-AC02-05CH11231. </p>
Benzonitrile on Si(001). XPS, NEXAFS, and STM data. Accepted for publication in PCCP Sept. 2016
<p>This data set contains original XPS and NEXAFS data collected at the Australian Synchrotron. The data are the results of experiments investigating benzonitrile adsorption to the Si(001) surface. The results were written up and have been accepted for publication in Physical Chemistry Chemical Physics in Sept. 2016. The publication date is not yet known. </p>
Measured Ti L2,3-edge NEXAFS Spectroscopic Signatures
<p>Measured Ti L2,3-edge NEXAFS of a molecular library as well as mono- and dinuclear peroxo complexes, measured at the X-Treme beamline at the Swiss Light Source (SLS, PSI, Villigen, Switzerland).</p>
NEXAFS images and raw data set used for a paper by Gonçalves Jr. et al.
<p>NEXAFS images (regions maps) and data set of aerosol particle compositions measured using synchrotron-based multi-element microscopic speciation of individual microparticles (STMX/NEXAFS - Scanning Transmission X-ray Microscopy with Near- Edge X-ray Absorption Fine Structure Spectroscopy combined) used in results at a paper by Gonçalves Jr. et al. The samples were collected during the 2014 Summer Criosfera-1 (West Antarctica) campaign.</p>
Si3N4 membrane breaks in ultrahigh vacuum during operando NEXAFS in solar hydrogen water splitting micro electrochemical cell
<p>This video was recorded 19 April 2012 during operando photoelectrochemical water splitting in a micro specroelectrochemical x-ray cell during NEXAFS beamtime at the Advanced Light Source in Berkeley. The window broke in the UHV chamber, when the potential was reversed with the potentiostat from 900 mV to lower potentials. Fortunately, we had already the light O1s x-ray absorption spectra in light on/off mode for the potentials up to 900 mV.</p>
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OpenNeuro
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