Diamond nanoseeding on silicon: stability under H2 MPCVD exposures and early stages of growth

Arnault, J. C., Saada, S., Nesladek, M., Williams, Oliver Aneurin ORCID: https://orcid.org/0000-0002-7210-3004, Haenen, K., Bergonzo, P. and Osawa, E. 2008. Diamond nanoseeding on silicon: stability under H2 MPCVD exposures and early stages of growth. Diamond and Related Materials 17 (7-10) , pp. 1143-1149. 10.1016/j.diamond.2008.01.008

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Abstract

Detonation nanodiamond dispersed on silicon surfaces underwent different H2 MPCVD exposures. The induced changes at the surface have been characterized in situ by XPS and XEELS. Then, a short CH4/H2 growth step was applied. This sequential study revealed an excellent stability of detonation nanodiamond. The sp3 etching rate is insufficient to remove nanodiamond even under intense H2 plasma. The H2 exposure could be successfully used to remove C–C sp2 carbon without altering sp3 seeds. Moreover, the formation of silicon carbide observed after the hydrogen treatment is thought to be helpful to enhance the adhesion of nanodiamond particles on the substrate.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Uncontrolled Keywords:	Nanoparticles; Chemical vapor deposition; Etching; Surface characterization
Publisher:	Elsevier
ISSN:	0925-9635
Last Modified:	19 Oct 2022 08:41
URI:	https://orca.cardiff.ac.uk/id/eprint/18714

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