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<p>Periodic nanostructures were found both on the As-Se thin film surface and on polyethylene terephthalate by scanning probe microscopy. The periodic oscillations in the optical absorption and reflection spectra in visible and IR ranges are characteristic of As metal nanoparticles, identified by XRD. Irradiation with 5&#xa0;MeV electrons to moderate fluencies 5 × 10<sup>14</sup> and 10<sup>15</sup> at 165&#xa0;K has induced total ionization and nuclear reactions producing short-living isotopes. Finally it resulted in the growth of rod-like As<sub>n</sub> nanocrystals on the exposed film surface and intensified the fine structure of these optical oscillations, rather than caused amorphization.</p>

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Effect of 5 MeV electrons on the periodic nanostructure of As-Se film on polymer

  • 期刊论文

  • 发表日期：

    2026年4月24日

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  • Inabat N. Temirbayeva,
  • Elvira M. Ibragimova

摘要

Periodic nanostructures were found both on the As-Se thin film surface and on polyethylene terephthalate by scanning probe microscopy. The periodic oscillations in the optical absorption and reflection spectra in visible and IR ranges are characteristic of As metal nanoparticles, identified by XRD. Irradiation with 5 MeV electrons to moderate fluencies 5 × 1014 and 1015 at 165 K has induced total ionization and nuclear reactions producing short-living isotopes. Finally it resulted in the growth of rod-like Asn nanocrystals on the exposed film surface and intensified the fine structure of these optical oscillations, rather than caused amorphization.