Rosmi, M. S. and Yaakob, Y. and Mohd. Yusop, M. Z. and Sharma, S. and Zulkifli, Z. and Supee, A. and Kalita, G. and Tanemura, M. (2016) Room temperature fabrication of 1D carbon-copper composite nanostructures directly on Cu substrate and their field emission properties. AIP Advances, 6 (9). ISSN 2158-3226
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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....
Abstract
This paper demonstrates a carbon-copper (C-Cu) composite nanostructure directly fabricated on a copper (Cu) substrate using the Ar+ ion irradiation method at room temperature. The morphology of C-Cu composite was controlled by a simultaneous carbon supply during ion irradiation. Conical protrusions formed on the surface of the Cu substrate with the low carbon supply rate (RC), whereas high RC area prominently produced nanoneedle structures. The field electron emission (FEE) tests demonstrated significant improvement between conical protrusions and nanoneedle structures, where the emission current increase from 5.70 μAcm-2 to 4.37 mAcm-2, while the turn-on field reduced from 5.90 to 2.00 Vμm-1.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Copper, Electron emission, Field emission, Ion bombardment, Irradiation, Nanoneedles, Nanostructures, Carbon supply, Composite nanostructures, Copper composites, Emission current, Field electron emissions, Field emission property, Irradiation methods, Turn-on field, Substrates |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical Engineering |
| ID Code: | 72126 |
| Deposited By: | Fazli Masari |
| Deposited On: | 20 Nov 2017 08:18 |
| Last Modified: | 20 Nov 2017 08:18 |
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