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Title
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A dataset of high-resolution synchrotron x-ray photoelectron spectra of tarnished silver-copper surfaces before and after reduction with a remote helium plasma at atmospheric pressure
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Author
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Abstract
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| The data presented in this article are related to the measure- ments in the contribution titled: ‘Tarnished silver-copper sur- faces reduction using remote helium plasma at atmospheric pressure studied by means of high-resolution synchrotron x-ray photoelectron microscopy’ published in Corrosion Sci- ence. X-ray photoelectron spectra were collected from pure silver, sterling silver (92.5 w% Ag and 7.5 w% Cu) alloy and pure copper. These metals were artificially sulphidised. A remote helium plasma at atmospheric pressure was applied on the metallic and sulphidised state. Then the top layer of the 4 surface states were analysed at the NanoESCA beamline (Electron Spectroscopy for Chemical Analysis at the Nanoscale) at Elettra Sincrotrone Trieste. The instrument installed as an end station at the NanoESCA beamline of the Elettra storage ring combines an electrostatic Photo Electron Emission Microscope (PEEM) with a double-hemispherical (‘IDEA’) analyser, allowing the collection of photoemission electron microscopy (PEEM) images, X-ray photo electron- energy-filtered images and XPS spectra. The NanoESCA beamline provides electromagnetic radiation with variable polarization (linear, circular) and energies up to 10 0 0 eV. Information for Cu3p, Cl2p, S2p, C1s and Ag3d were obtained by collecting spectra at 450 eV. The goal of the analyses was to determine how the plasma treatment changed the top layer of the metallic and sulphidised surface of pure silver, sterling silver and pure copper. This contribution focuses on the calibration of the collected XPS spectra, as well as the impact of the plasma treatment on the surface states. |
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Language
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English
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Source (journal)
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Data in Brief
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Publication
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2021
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ISSN
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2352-3409
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DOI
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10.1016/J.DIB.2021.106872
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Volume/pages
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35
(2021)
, p. 1-13
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Article Reference
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106872
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ISI
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000647428300011
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Pubmed ID
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33718545
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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