Loading...
Please wait, while we are loading the content...
Similar Documents
Studies of the cathode sheath of a low pressure hollow cathode discharge
| Content Provider | Scilit |
|---|---|
| Author | Petraconi, G. Neto, A. B. Guimarães Maciel, H. S. Pessoa, R. S. |
| Copyright Year | 2012 |
| Description | Journal: Journal of Physics: Conference Series In this work, a theoretical model for the cathode sheath using experimental data of a low pressure hollow cathode discharge (HCD) is derived considering it to be non-collisional. Secondary electrons emitted from the cathode surface are taken into account on the discharge model and their influence on the theoretical sheath potential profile is investigated. The plasma parameters and the floating potential profile along the discharge axis were inferred from the current-voltage characteristics of a single Langmuir probe positioned at the inter-cathode space of the HCD. For a low pressure HCD, typical values of the electron density and electron temperature are $n_{e}$ ≈ $10^{16}$ $m^{−3}$ and $T_{e}$ = 4 eV, respectively. By using the probe data the floating potential profile was determined to verify the position of the plasma-cathode sheath interface and to promote a qualitative discussion between theoretical and experimental results. |
| Related Links | http://iopscience.iop.org/article/10.1088/1742-6596/370/1/012041/pdf |
| ISSN | 17426588 |
| e-ISSN | 17426596 |
| DOI | 10.1088/1742-6596/370/1/012041 |
| Journal | Journal of Physics: Conference Series |
| Issue Number | 1 |
| Volume Number | 370 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2012-06-19 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics: Conference Series Special Education Electron Density Secondary Electron Low Pressure Electron Temperature |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
