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http://hdl.handle.net/1942/13710
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DC Field | Value | Language |
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dc.contributor.author | Lu, Ying-Gang | - |
dc.contributor.author | Verbeeck, Johan | - |
dc.contributor.author | TURNER, Stuart | - |
dc.contributor.author | HARDY, An | - |
dc.contributor.author | JANSSENS, Stoffel | - |
dc.contributor.author | DE DOBBELAERE, Christopher | - |
dc.contributor.author | WAGNER, Patrick | - |
dc.contributor.author | VAN BAEL, Marlies | - |
dc.contributor.author | HAENEN, Ken | - |
dc.contributor.author | Van Tendeloo, Gustaaf | - |
dc.date.accessioned | 2012-06-04T07:42:04Z | - |
dc.date.available | 2012-06-04T07:42:04Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | DIAMOND AND RELATED MATERIALS, 23, p. 93-99 | - |
dc.identifier.issn | 0925-9635 | - |
dc.identifier.uri | http://hdl.handle.net/1942/13710 | - |
dc.description.abstract | The early growth stages of chemical vapor deposition(CVD) diamond on a sol-gel TiO2 with buried ultra dispersed diamond seeds(UDD)have been studied. In order to investigate the diamond growth mechanism and understand the role of the TiO2 layer in the growth process, high resolution transmission electron microscopy(HRTEM), energy-filtered TEM and electron energy loss spectroscopy(EELS)techniques were applied to cross sectionaldiamond film samples. We find evidence for the formation of TiC crystallites inside the TiO2 layer at different diamond growth stages. However, there is no evidence that diamond nucleation starts from these crystallites. Carbon diffusion into the TiO2 layer and the chemical bonding state of carbon (sp(2)/sp(3)) were both extensively investigated. We provide evidence that carbon diffuses through the TiO2 layer and that the diamond seeds partially convert to amorphous carbon during growth. This carbon diffusion and diamond to amorphous carbon conversion make the seed areas below the TiO2 layer grow and bend the TiO2 layer upwards to form the nucleation center of the diamond film. In some of the protuberances a core of diamond seed remains, covered by amorphous carbon. It is however unlikely that the remaining seeds are still active during the growth process. | - |
dc.description.sponsorship | This work was performed within the framework of IAP P6/42 of the Belgian government. The authors acknowledge financial support from the European Union under the Framework 6 program under a contract for an Integrated Infrastructure Initiative, reference 026019 ESTEEM, from the FP7 grants DINAMO (No. 245122) and MATCON (PITN-GA-2009238201), and FWO-G.0568.10N. Support by funding of the European Research Council under the 7th Framework Program (FP7). ERC grant No. 246791-COUNTATOMS is also acknowledged. S.T. and A.H. gratefully acknowledge the financial support from the Research Foundation-Flanders (FWO-Vlaanderen). The Titan microscope used for this work was partially funded by the Hercules Foundation. | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject.other | Multidisciplinary Materials Science; Diamond film; Plasma CVD; Diffusion; High resolution electron microscopy | - |
dc.subject.other | Diamond film; Plasma CVD; Diffusion; High resolution electron microscopy | - |
dc.title | Analytical TEM study of CVD diamond growth on TiO2 sol-gel layers | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 99 | - |
dc.identifier.spage | 93 | - |
dc.identifier.volume | 23 | - |
local.format.pages | 7 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Lu, Ying-Gang; Verbeeck, Johan; Turner, Stuart; Van Tendeloo, Gustaaf] Univ Antwerp, EMAT, B-2020 Antwerp, Belgium. [Hardy, An; Janssens, Stoffel D.; De Dobbelaere, Christopher; Wagner, Patrick; Van Bael, Marlies K.; Haenen, Ken] Hasselt Univ, Inst Mat Res IMO, B-3950 Diepenbeek, Belgium. [Hardy, An; Janssens, Stoffel D.; Wagner, Patrick; Van Bael, Marlies K.; Haenen, Ken] IMOMEC, IMEC VZW, B-3590 Diepenbeek, Belgium. yinggang.lu@ua.ac.be | - |
local.publisher.place | LAUSANNE | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1016/j.diamond.2012.01.022 | - |
dc.identifier.isi | 000302887600017 | - |
item.fullcitation | Lu, Ying-Gang; Verbeeck, Johan; TURNER, Stuart; HARDY, An; JANSSENS, Stoffel; DE DOBBELAERE, Christopher; WAGNER, Patrick; VAN BAEL, Marlies; HAENEN, Ken & Van Tendeloo, Gustaaf (2012) Analytical TEM study of CVD diamond growth on TiO2 sol-gel layers. In: DIAMOND AND RELATED MATERIALS, 23, p. 93-99. | - |
item.validation | ecoom 2013 | - |
item.contributor | Lu, Ying-Gang | - |
item.contributor | Verbeeck, Johan | - |
item.contributor | TURNER, Stuart | - |
item.contributor | HARDY, An | - |
item.contributor | JANSSENS, Stoffel | - |
item.contributor | DE DOBBELAERE, Christopher | - |
item.contributor | WAGNER, Patrick | - |
item.contributor | VAN BAEL, Marlies | - |
item.contributor | HAENEN, Ken | - |
item.contributor | Van Tendeloo, Gustaaf | - |
item.fulltext | With Fulltext | - |
item.accessRights | Restricted Access | - |
crisitem.journal.issn | 0925-9635 | - |
crisitem.journal.eissn | 1879-0062 | - |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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lu 1.pdf Restricted Access | Published version | 2.86 MB | Adobe PDF | View/Open Request a copy |
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