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A semianalytical ion current model for radio frequency driven collisionless sheaths
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Meyyappan, M. Govindan, T. R. Bose, Deepak |
| Copyright Year | 2001 |
| Description | We propose a semianalytical ion dynamics model for a collisionless radio frequency biased sheath. The model uses bulk plasma conditions and electrode boundary condition to predict ion impact energy distribution and electrical properties of the sheath. The proposed model accounts for ion inertia and ion current modulation at bias frequencies that are of the same order of magnitude as the ion plasma frequency. A relaxation equation for ion current oscillations is derived which is coupled with a damped potential equation in order to model ion inertia effects. We find that inclusion of ion current modulation in the sheath model shows marked improvements in the predictions of sheath electrical properties and ion energy distribution function. |
| File Size | 781628 |
| Page Count | 32 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20010046070 |
| Archival Resource Key | ark:/13960/t3hx6915f |
| Language | English |
| Publisher Date | 2001-01-01 |
| Access Restriction | Open |
| Subject Keyword | Communications And Radar Radio Frequencies Electrical Properties Collisionless Plasmas Ion Currents Ion Impact Boundary Conditions Mathematical Models Plasma Frequencies Plasma Sheaths Ion Distribution Distribution Functions Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
