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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Leshukov, M.Yu. Sheshin, E.P. |
| Copyright Year | 2006 |
| Description | Author affiliation: Moscow Inst. of Phys. & Technol. (Leshukov, M.Yu.; Sheshin, E.P.) |
| Abstract | A new method of processing field emission cathodes made of carbon fiber bundle is presented. It is the etching of carbon fibers bundle cathode by corona discharge on air. The influence of the plasmachemical processing on the emission characteristics of the field emission cathodes, was examined. Results show that for cathodes processed by corona discharge, carbon fiber bundle is subject less to the abrupt reorganization of its structure (redistribution of fibers in a bundle). Also, the value of local fluctuation of anode voltage had been significantly decreased. The field emission parameters of cathodes, namely: the emitting surface area and the form-factor of the cathode, have been obtained from analysis of the current-voltage characteristics. The form-factor of the cathode after the processing by corona discharge has been decreased while the emitting surface area of the cathode after the etching process has been increased. The plasmachemical processing by corona discharge promoted for more uniform distribution of field emission electrons on the surface of the cathode |
| Starting Page | 333 |
| Ending Page | 334 |
| File Size | 370865 |
| Page Count | 2 |
| File Format | |
| ISBN | 1424404010 |
| DOI | 10.1109/IVNC.2006.335494 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-07-17 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Plasma materials processing Cathodes Carbon dioxide Corona Plasma applications Plasma properties Surface discharges Etching Fluctuations Anodes |
| Content Type | Text |
| Resource Type | Article |
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