title: ÐÐ¿ÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¸ ÑÑÑÑÐºÑÑÑÐ½ÑÐµ ÑÐ²Ð¾Ð¹ÑÑÐ²Ð° ÐºÐ²Ð°ÑÑÐµÐ²Ð¾Ð³Ð¾ ÑÑÐµÐºÐ»Ð° Ð¿Ð¾ÑÐ»Ðµ ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð½Ð¾Ð³Ð¾ Ð¾Ð±Ð»ÑÑÐµÐ½Ð¸Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Optical and structural properties of quartz glass after electron irradiation
Creators: name: ÐÐ¸ÑÐ¿Ð¸ÑÐµÐ½ÐºÐ¾, ÐÐ°ÑÑÑ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: ÐºÐ²Ð°ÑÑÐµÐ²Ð¾Ðµ ÑÑÐµÐºÐ»Ð¾
ÑÑÑÑÐºÑÑÑÐ° ÑÑÐµÐºÐ»Ð°
ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð½Ð¾Ðµ Ð¾Ð±Ð»ÑÑÐµÐ½Ð¸Ðµ
ÑÐ¿ÐµÐºÑÑÐ¾ÑÐºÐ¾Ð¿Ð¸Ñ ÐºÐ¾Ð¼Ð±Ð¸Ð½Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ ÑÐ°ÑÑÐµÑÐ½Ð¸Ñ
ÑÑÑÑÐºÑÑÑÐ½ÑÐµ Ð´ÐµÑÐµÐºÑÑ
quartz glass
glass structure
electron irradiation
Raman spectroscopy
structural defects

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description: This work is devoted to the study of changes in the structure of quartz glass without impurities as a result of external exposure to it by an electron beam. Tasks that were solved during the study:
1. Preparation of samples for irradiation;
2. Local irradiation with electrons with a different dose in the spot mode (spot 1.5-2 mm);
3. The study of changes in the structure of samples by measuring Raman spectra in the range of 100 - 3000 cm-1;
4. Analysis of the results.
The electron beam irradiation of quartz samples was carried out in the laboratory "Physics of the interaction of radiation with matter" at the Peter the Great St. Petersburg Polytechnic University. Structural changes in quartz glass that occurred after electron exposure were investigated using Raman spectroscopy in the frequency ranges 300â550 and 700â1500 cm â 1 at the ITMO University. Raman scattering spectra were analyzed showing how the change in dose affects the change in structure and the appearance of defects.
It was shown that, at irradiation doses of less than 5 mC / cm2, the con-centration of siloxane rings decreases. Increasing the dose leads to an increase in the concentration of the rings. And at doses of more than 40 mCl / cm2, the glass structure 
and its structural units are completely destroyed. The results obtained for quartz glass were compared with similar results for crystalline quartz.