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Главная Книги е-Книги Журналы Справочники & Сборники Авторы, Редакторы, Рецензенты А - Я индекс
Progress in Plasma Processing of Materials, 2003

ISBN Print: 978-1-56700-192-1

ISBN Online: 978-1-56700-447-2



Voids in dusty plasma are a new phenomenon, which is still not completely understood. In this work we study void formation in the sheath of a radio-frequency (RF) dusty plasma. By injecting micrometer sized dust particles into the plasma, we form a dust cloud in the sheath. The behaviour of the cloud as a function of RF power and gas pressure has been investigated using video imaging. Both dependencies show a threshold for the void formation. This threshold is characterised by a sudden decrease in the inter-particle distance, while in the non-void mode the distance increases with power and pressure. We have performed Langmuir probe measurements of the floating potential in the bulk plasma close to the sheath in order to estimate the form of the potential well trapping the dust grains.
Главная Цифровой портал Бегель Begell Электронная библиотека Журналы Книги е-Книги Справочники & Сборники Авторы, Редакторы, Рецензенты А - Я индекс Цены и условия подписки О Begell House Контакты Language English 中文 Русский 日本語 Português Deutsch Français Español