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Local density functional modeling of diamond growth and graphitization

Heggie, MI, Latham, CD, Jones, R and Briddon, PR (1995) Local density functional modeling of diamond growth and graphitization In: Fourth International Symposium on Diamond Materials, 1995-05-21 - 1995-05-26, Reno, Nevada.

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Abstract

Two important aspects of CVD diamond growth are considered in this work; graphitisation of diamond at the intersection of twin boundaries with {111} surfaces, and surface mobility of hydrogen and other species. The results of our local spin-density functional based calculations show that twin boundaries can induce graphitisation in their vicinity if there is no surface hydrogen to stabilise the diamond structure. We also show how hydrogen may be mobile on certain diamond surfaces by a dangling bond diffusion mechanism and conclude that this may play a role in the CVD growth process.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Heggie, MIm.heggie@surrey.ac.ukUNSPECIFIED
Latham, CDchristopher.latham@surrey.ac.ukUNSPECIFIED
Jones, RUNSPECIFIEDUNSPECIFIED
Briddon, PRUNSPECIFIEDUNSPECIFIED
Date : 21 May 1995
Contributors :
ContributionNameEmailORCID
UNSPECIFIEDRavi, KVUNSPECIFIEDUNSPECIFIED
UNSPECIFIEDDismukes, JPUNSPECIFIEDUNSPECIFIED
publisherElectrochemical Society, UNSPECIFIEDUNSPECIFIED
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:37
Last Modified : 17 May 2017 12:37
URI: http://epubs.surrey.ac.uk/id/eprint/836099

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