Dar, M. A. ; Ansari, S. G. ; Kim, Young-Soon ; Kim, Gil-Sung ; Seo, Hyung-Kee ; Shin, Jiho ; Kulkarni, S. K. ; Shin, Hyung-Shik (2006) Effect of MgO interlayer on diamond film growth on silicon (100) Thin Solid Films, 497 (1-2). pp. 103-108. ISSN 0040-6090
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00406...
Related URL: http://dx.doi.org/10.1016/j.tsf.2005.10.047
Abstract
Diamond films were grown, under identical conditions on scratched Si (100) with and without MgO interlayers by using hot filament chemical vapour deposition. Initially both kinds of the substrates were biased for 30 min at 750 ± 50 °C to enhance the nucleation density. A 1 : 100 vol.% mixture of CH4 and H2 gases was used for deposition at a total pressure of ~4 × 103 Pa. Deposition was carried out for total of 2 h and the analysis of the films was carried out using Scanning Electron Microscopy, Atomic Force Microscopy, X-ray Diffraction and Raman Spectroscopy. Both substrates showed predominantly (111) oriented crystals of diamond but with different surface morphology. The crystallites on scratched Si (100) surface are in general (~1.5-2 μm) and those on MgO overlayer are smaller (< 1 μm), but denser film occurs with MgO overlayer on Si (100) substrate.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Diamond; Chemical Vapor Deposition; Atomic Force Microscopy; Scanning Electron Microscopy |
| ID Code: | 17988 |
| Deposited On: | 17 Nov 2010 13:23 |
| Last Modified: | 04 Jun 2011 08:44 |
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