The effect of the external medium on the structuralphase transformations of quartzite upon high-energy electron irradiation

• Дата: 2019
• Автори: Bereznyak, E.P., Kolodiy, I.V., Khodyreva, Yu.S.
• Формат: Стаття
• Мова: English
• Опубліковано: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2019
• Назва видання: Вопросы атомной науки и техники
• Теми: Physics of radiation damages and effects in solids
• Онлайн доступ: http://dspace.nbuv.gov.ua/handle/123456789/195209
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: The effect of the external medium on the structuralphase transformations of quartzite upon high-energy electron irradiation / E.P. Bereznyak, I.V. Kolodiy, Yu.S. Khodyreva // Problems of atomic science and technology. — 2019. — № 5. — С. 30-34. — Бібліогр.: 14 назв. — англ.

The structural transformations of the natural quartzite under the electron irradiation in doses range of 10⁷…10⁸ Gy in various medium were studied using IR-spectroscopy, X-ray diffraction, and crystal-optical analyzes. It was established that under the irradiation, both in air and in a water stream, intense crystallization of the amorphous component occurs, which is siliceous cement. The initial crystal structure of quartzite is also improved as a result of radiation annealing of defects and impurities present in the initial quartz. It was found that the water medium significantly accelerates these processes, however, in the studied doses range for both types of irradiation, degradation of the quartzite crystal structure is not observed.