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V. B. Vykhodets, T. E. Kurennykh, O. A. Nefedova

APPLICATION OF NUCLEAR REACTION ANALYSIS TO STUDYING HYDROGEN DIFFUSION AND NONSTOICHIOMETRY IN METAL OXIDES

Nuclear reaction analysis is used to investigate hydrogen and oxygen subsystems for the oxides TiO2, La0,9Sr0,1ScO3-δ and ZrO2 (10 % Y2O3). For comparison, data on deuterium diffusion in Ni are obtained. It is found that the boundary conditions of the diffusion problem for the metal differ greatly from those for the oxides. The general and partial solutions to the diffusion problem have been obtained for this technique. It is shown that, for metals, the experimental data correspond to the condition of the zero flow of deuterium atoms through the irradiated surface, whereas for oxides, these data correspond to the zero concentration of deuterium on the surface. It is found that the atomic surface layer of nanoparticles of titanium dioxide and yttrium-doped zirconium dioxide lacks oxygen in comparison with stoichiometry. Nanopowder synthesis is performed by laser evaporation of a ceramic target. The injection of the D2O vapor into the working chamber does not lead to the doping of nanoparticles with deuterium and the elimination of oxygen deficiency.

Keywords: hydrogen diffusion, oxygen stoichiometry, nuclear reaction analysis, oxides, nickel, diffusion boundary value problem with an internal source, analytical solution

Bibliography:

  1. Fishman A., Kurennykh T., Vykhodets V., Vykhodets E. Oxygen Isotope Exchange in Nanocrystal Oxides. In: Advances in Ceramics-Characterization, Raw Materials, Processing, Properties, Degradation and Healing, C. Sikalidis, ed. Rejeka: InTechOpen Access publisher, 2011, pp. 139–164. ISBN 978–953–307–504–4.
  2. Kudo H., Kosaku Y., Ando Y., Hiraga M., Sekine T. Deuterium migration in titanium during deuteron irradiation observed by proton spectra of the d(d,p)t reaction. Journal of Nuclear Materials, 1998, vols 258–263, p. 1, pp. 622–627.
  3. Vykhodets V.B., Kurennykh T.E., Nefedova O.A., Gorelov V.P., Stroeva A.Yu., Balakireva V.B., Vykhodets E.V., Obukhov S.I. Deuterium diffusion in proton conductors La0.9Sr0.1ScO3-δ and BaZr0.9 Y0.1O3-δ at room temperature. Solid State Ionics, 2014, vol. 263, pp. 152–156. DOI: 10.1016/j.ssi.2014.06.003.
  4. Kidson G.V. The diffusion of H, D, and T in solid metals. Diffusion in Solid Metals and Alloys, vol. III-26, H. Mehrer, ed. Berlin, Landolt-Bornstein, Springer-Verlag Publ., 1990, p. 504. ISBN 3–54050–886–4.
  5. Völkl J., Alefeld G. Hydrogen Diffusion in Metals. Diffusion in Solids: Recent Developments, A.S. Nowick, ed. J.J. Burton. New York, Academic Press Publ., 1975, pp. 231–302. ISBN 0–12–522660–8.
  6. Heitjans P., Kärger J., eds. Diffusion in Condensed Matter: Methods, Materials, Models, Berlin-Heidelberg, Springer Publ., 2005, 965 p. ISBN 3–540–20043–6.
  7. Vykhodets V.B., Jarvis E., Kurennykh T.E., Davletshin A.E., Obukhov S.I., Beketov I.V., Samatov O.M., Medvedev A.I. Extreme deviations from stoichiometry in alumina nanopowders. Surface Science, 2014, vol. 630, pp. 182–186. DOI: 10.1016/j.susc.2014.08.009.
  8. Jarvis E.A.A., Carter E.A. Metallic Character of the Al2O3(0001)–( 31 x 31 )R 9° Surface Reconstruction. J. Phys. Chem. B, 2001, vol. 105, iss. 18, pp. 4045–4052. DOI: 10.1021/jp003587c.
  9. Wang X.-G., Chaka A., Scheffer M. Effect of the Environment on a-Al2O3 (0001) Surface Structures. Physical Review Letters, 2000, vol. 84, pp. 3650–3653.
  10. Crank J. The mathematics of diffusion, London, Oxford University Press Publ., 1975, 414 p. ISBN 0–19–853344–6.
  11. Nellis G., Klein S. Heat Transfer, Cambridge, Cambridge University Press Publ., 2009, 1107 p. ISBN 978–0–521–88107–4.
  12. Kartashov E.M. Analiticheskie metody v teorii teploprovodnosti tverdykh tel [Analytical Methods in the Theory of Heat Conduction of Solids]. M., Vysshaya Shkola Publ., 2001, 550 p. (In Russian).

     

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