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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kaldasch, F. Gunther, B. Muller, G. Engstler, J. Schneider, J.J. |
| Copyright Year | 2001 |
| Description | Author affiliation: Fachbereich Phys., Bergische Univ., Wuppertal, Germany (Kaldasch, F.) |
| Abstract | At present carbon nanotubes (CNT's) are the most popular candidates for large-area cold cathode applications because of their simple fabrication and patterning techniques as well as low threshold fields for field emission (FE) which are usually below 10 V//spl mu/m. Practical cathodes with a high density of free-standing aligned CNT's, however, suffer from non-uniform current distributions and mutual shielding effects. Moreover, pressure dependent current fluctuations and limits leading to insufficient long-term stability have been observed. In order to provide CNT's with well-defined aspect ratio and high stability, porous Al/sub 2/O/sub 3/ templates have been considered as substrate. These might further allow the controlled growth, i.e. separation and positioning of CNT's, by partial filling of the matrix prior to the CNT deposition. First experiments following these ideas are reported here. |
| Starting Page | 25 |
| Ending Page | 26 |
| File Size | 292131 |
| Page Count | 2 |
| File Format | |
| ISBN | 0780371976 |
| DOI | 10.1109/IVMC.2001.939635 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2001-08-12 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Current distribution Stability Iron Cathodes Filling Scanning electron microscopy Charge coupled devices Charge-coupled image sensors Degradation Carbon nanotubes |
| Content Type | Text |
| Resource Type | Article |
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