电子辐照下二氧化硅纳米颗粒改性聚甲基苯基硅氧烷清漆光学性能变化动力学

IF 0.4 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Russian Physics Journal Pub Date : 2025-05-12 DOI:10.1007/s11182-025-03459-3

M. M. Mikhailov, V. A. Goronchko, A. N. Lapin, S. A. Yuryev, D. S. Fedosov, S. P. Ivanichko

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引用次数: 0

摘要

本文介绍了聚甲基苯基硅氧烷（PMPS）清漆的辐射稳定性研究结果。研究了能量E = 30 keV的电子辐照后，初始清漆和SiO2纳米粒子修饰的清漆的反射光谱和太阳吸收率的变化动力学。模拟了加速电子对PMPS的影响。结果表明，在7·1016 cm-2的电子影响下，清漆改性使辐射稳定性提高了1.6倍。

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Kinetics of changes in the optical properties of polymethylphenylsiloxane varnish modified with silicone dioxide nanoparticles under electron irradiation

Results of studies of the radiation stability of polymethylphenylsiloxane (PMPS) varnish—a promising binder for application in coatings of space vehicles—are presented. The kinetics of changes in the reflection spectra and solar absorptance of the initial varnish and varnish modified by SiO₂ nanoparticles after irradiation by electrons with energy E = 30 keV has been investigated. The influence of accelerated electrons on PMPS is modeled. It is shown that the varnish modification leads to an increase in the radiation stability by 1.6 times at an electron fluence of 7·10¹⁶ cm^–2.

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来源期刊

Russian Physics Journal PHYSICS, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

50.00%

发文量

208

审稿时长

3-6 weeks

期刊介绍： Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.