Papers by Author: E.A. Kozlov

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Oxygen Isotope Exchange between Gaseous Phase Enriched with 18O Isotope and Nanocrystal Oxides LaMnO3+δ Obtained by Severe Plastic Deformation
Authors: Boris A. Gizhevskii, Anatoly Yakovlevich Fishman, E.A. Kozlov, Tatiana Eugenievna Kurennykh, S.A. Petrova, I.Sh. Trakhtenberg, Vladimir Borisovich Vykhodets, V.B. Vykhodets, Robert Grigorievich Zakharov
Abstract: The kinetics of the isotope exchange between gaseous oxygen enriched with the 18O isotope and two LaMnO3+δ oxide samples – a nanopowder and a bulk nanocrystal – has been studied. The 18O isotope concentration has been measured by the acceleration nuclear microanalysis method. The coefficients of the volume and the nanograin boundary self-diffusion of oxygen have been evaluated at 500 °C. They are equal to 3.5·10 −20 and 1.5·10 −13 cm2/s, respectively.
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