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Synchrotron-based high-resolution photoemission spectroscopy study of ZIRLO cladding with H2O adsorption: Coverage and temperature dependence
- Source :
- Scientific Reports, Scientific Reports, Vol 10, Iss 1, Pp 1-7 (2020)
- Publication Year :
- 2020
- Publisher :
- Springer Science and Business Media LLC, 2020.
-
Abstract
- The coverage and temperature dependence of ZIRLO cladding with H2O adsorption are studied using synchrotron-based high-resolution photoemission spectroscopy (HRPES). Based on the analytical results of the Zr 3d, O 1 s, C 1 s, and Sn 3d HRPES profiles prior to H2O adsorption, we determine the surface compositions of O2−, hydroxyl OH−, chemisorbed H2O, zirconium carbide, adventitious carbon, Sn metal, and SnO2 in ZIRLO. When ZIRLO is exposed to H2O molecules, the relative proportion of zirconium metal decreases, whereas that of the total zirconium oxides increases, suggesting the reaction between H2O and the zirconium metal in ZIRLO. On annealing a sample with 1000 L H2O on ZIRLO at 300 °C, Zr2O3 and ZrO2 decompose, and oxygen diffuses into the bulk, thereby reducing the oxidation states of zirconium on the surface. Moreover, at this temperature, the excess H2O molecules on ZIRLO are thoroughly desorbed and tin element is diffused into the bulk in ZIRLO.
- Subjects :
- Materials science
Photoemission spectroscopy
Annealing (metallurgy)
Science
Analytical chemistry
chemistry.chemical_element
02 engineering and technology
010402 general chemistry
01 natural sciences
Oxygen
Article
law.invention
Metal
Zirconium carbide
chemistry.chemical_compound
Adsorption
law
Zirconium
Multidisciplinary
021001 nanoscience & nanotechnology
Synchrotron
0104 chemical sciences
Chemistry
chemistry
visual_art
visual_art.visual_art_medium
Medicine
0210 nano-technology
Subjects
Details
- ISSN :
- 20452322
- Volume :
- 10
- Database :
- OpenAIRE
- Journal :
- Scientific Reports
- Accession number :
- edsair.doi.dedup.....ab40ddb89d09f6af26c2525f0e2bfd4c