Рeculiarities of interaction of low-energy protons with tungsten surface

• Дата: 2018
• Автори: Fedorovich, O.A., Hladkovskyi, V.V., Polozov, B.P., Voitenko, L.M., Kostin, E.G., Petriakov, V.А., Rokitskyi, А.A., Oberemok, А.S., Burdin, V.V.
• Формат: Стаття
• Мова: English
• Опубліковано: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2018
• Назва видання: Вопросы атомной науки и техники
• Теми: Приложения и технологии
• Онлайн доступ: http://dspace.nbuv.gov.ua/handle/123456789/147664
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: Рeculiarities of interaction of low-energy protons with tungsten surface / O.A. Fedorovich, V.V. Hladkovskyi, B.P. Polozov, L.M. Voitenko, E.G. Kostin, V.А. Petriakov, А.A. Rokitskyi, А.S. Oberemok, V.V. Burdin // Вопросы атомной науки и техники. — 2018. — № 4. — С. 302-306. — Бібліогр.: 16 назв. — англ.

The results of investigations of the interaction of protons with energy of 250…260 eV with the surface of tungsten foil are presented. Sputtering of tungsten occurs at a rate of ~ 0.5 μm/h at a temperature of 300°C and an ion current density of 1.5 mA/cm² . The surface of tungsten significantly changes after the irradiation process. The substantial surface cleaning occurs from oxides due to surface sputtering, and also because of their reduction in hydrogen plasma. The hydrogen content increases near the surface of the tungsten sample after irradiation with protons. The hydrogen content decreases in depth in tungsten.