Optical and electron-beam initiation of porous silicon films with different contents of oxidizer and graphene
Poberezhnaya U. M. 1,2, Freiman V. M.2, Ilyushin M. A.1, Zegrya G. G. 2, Fadeev D. V.3, Os'kin I. A.4, Morozov V. A.5, Grigor'ev A. Y.6, Savenkov G. G. 1,2
1Saint-Petersburg State Institute of Technology (Technical University), St. Petersburg, Russia
2Ioffe Institute, St. Petersburg, Russia
3JSC “Murom apparatus producing plant”, Murom, Vladimir region, Russia
4Scientific Production Association “Poisk”, Murino, Leningrad oblast, Russia
5St. Petersburg State University, St. Petersburg, Russia
6Saint-Petersburg University of the Ministry of the Interior of the Russian Federation, Saint-Petersburg, Russia
Email: sav-georgij@yandex.ru

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Laser and electron-beam initiation of the combustion process of energy-saturated composite films were studied. Composites were produced from porous silicon, a fluorine-containing polymer, and graphene. It is shown that the impact of a high-current electron beam of nanosecond duration does not lead to the excitation of the combustion process. Moreover, the process of film combustion during laser initiation is accompanied in some cases by the appearance of a zone of secondary flame and white smoke. Keywords: porous silicon, energy-saturated composite, laser initiation, electron-beam initiation, combustion.
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