Penning-type H⁻ ion source with metal hydride cathode in pulsating regime
The features of H⁻ ion emission from gas-feed-free Penning-type ion source with metal hydride cathode have been studied in pulsating regime. The metal hydride cathode provided local injection of hydrogen in activated state and impacts on Penning discharge ability to emit H⁻ ions in the longitudinal...
Збережено в:
| Дата: | 2023 |
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| Автори: | , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2023
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| Назва видання: | Problems of Atomic Science and Technology |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/196189 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Penning-type H⁻ ion source with metal hydride cathode in pulsating regime / I. Sereda, Ya. Hrechko, N. Azarenkov // Problems of Atomic Science and Technology. — 2023. — № 4. — С. 126-128. — Бібліогр.: 12 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | The features of H⁻ ion emission from gas-feed-free Penning-type ion source with metal hydride cathode have been studied in pulsating regime. The metal hydride cathode provided local injection of hydrogen in activated state and impacts on Penning discharge ability to emit H⁻ ions in the longitudinal direction. For stimulation of pre-excited hydrogen desorption from metal hydride the voltage pulse (4.5 kV, τ ≈ 15 μs) was performed against the background constant voltage of 6 kV on the anode of the discharge. The H⁻ ion current of about 0.2 mA was obtained. |
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