The effect on the reflective spectra of heat treatment and modification of ZnO pigments by 1–30 wt.% ZrO 2 and Al 2 O 3 nanoparticles has been investigated before and after irradiation by 100 keV protons with a fluence of 5×10 15 cm −2 . It is established that with the optimum concentration of 5 wt.% nanoparticles and the temperature of 800° C a 20% increase in the radiation stability is observed for the modified ZnO pigment in comparison with the not modified pigment. The decrease of absorption in the modified pigments is determined by the decrease of the intensity of the absorption bands of the zinc vacancies ( V zn ), oxygen vacancies ( V o + ) and donor‐acceptor couples ( V zn Zn i 0 ).


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    Titel :

    Radiation Stability of Zinc Oxide Pigment Modified by Zirconium Oxide and Aluminum Oxide Nanopowders


    Beteiligte:
    Mikhailov, M. M. (Autor:in) / Neshchimenko, V. V. (Autor:in) / Li, Chundong (Autor:in) / Kleiman, Jacob I. (Herausgeber:in)

    Kongress:

    PROTECTION OF MATERIALS AND STRUCTURES FROM SPACE ENVIRONMENT: Proceedings of the 9th International Conference: Protection of Materials and Structures From Space Environment ; 2008 ; Toronto (Canada)


    Erschienen in:

    AIP Conference Proceedings ; 1087 , 1 ; 680-690


    Erscheinungsdatum :

    05.01.2009


    Format / Umfang :

    11 pages





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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