Volume 66, Number 2, April 2004
|Page(s)||226 - 231|
|Section||Physics of gases, plasmas and electric discharges|
|Published online||01 April 2004|
Drastic changes in the plasma potential inside a hollow anode during an applied accelerating pulse
Physics Department, Technion - 32000 Haifa, Israel
Accepted: 11 February 2004
We present results which show drastic changes in the parameters of a hollow anode (HA) which serves as a cathode in an electron diode. The HA has a ferroelectric plasma source (FPS) incorporated in it. The applied accelerating pulse causes increase of the potential of the plasma inside the HA up to 7 and switches the direction of the current of plasma electrons from the HA and its output grid towards the accelerating gap. It is shown that, in spite of the large positive plasma potential, electron emission occurs due to the dynamics of ion motion in the sheath near the HA grid.
PACS: 52.50.Dg – Plasma sources / 29.25.Bx – Electron sources / 52.25.Tx – Emission, absorption, and scattering of particles
© EDP Sciences, 2004
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.