Abstract
The synthesis of heteroepitaxial monocrystalline diamond films has been of technological and scientific interest for several decades. Using chemical vapor deposition techniques, polycrystalline diamond has been successfully grown on many substrates. However, iridium emerges in providing highly oriented films, significantly better than any other transition metals. In the present work we propose an ab initio density functional study of the interaction of diamond with different substrates used experimentally. The origin of iridium's specific behavior is investigated. The kinetics of carbon atoms in the substrate lattice is found to play a key role, determining the nucleation mechanisms and hence the quality of the final diamond film.
| Original language | English |
|---|---|
| Article number | 191917 |
| Pages (from-to) | 1-3 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 86 |
| Issue number | 19 |
| DOIs | |
| Publication status | Published - 9 May 2005 |
| Externally published | Yes |
Funding
This research has been supported by the FRFC Project No. 2.4556.99, the ARC of the Communauté Française de Belgique, the Belgian Program on Inter-University Attraction Poles (PAI5∕1∕1), and the EU FAME (NMP3-CT-2004-500159), and NANOQUANTA (NMP4-CT-2004-500198) networks of excellence. J.C.C. acknowledges financial support from the FNRS.
| Funders | Funder number |
|---|---|
| Communauté Française de Belgique | |
| EU FAME | NMP3-CT-2004-500159 |
| FRFC | 2.4556.99 |
| NANOQUANTA | NMP4-CT-2004-500198 |
| Australian Research Council | |
| Fonds De La Recherche Scientifique - FNRS |
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