Conference item
EPR studies of a nickel-boron centre in synthetic diamond
- Abstract:
- Possible models are discussed for a new EPR centre (NOL1) observed in a diamond grown from a nickel-containing solvent catalyst with a titanium nitrogen getter. Nickel and boron are the most prevalent impurities in the diamond. The centre has trigonal (C-3v) symmetry about <111>, S = 1, g(11) = 2.0235 (5), g(perpendicular to) = 2.0020(10) and D = - 171(1) GHz. The EPR lineshape is unusual and we tentatively attribute this to partially resolved B-11 hyperfine structure. This centre may be the same as NIRIM-5, observed in boron doped synthetic diamond. The most likely structure for this centre is an interstitial Ni2+ with a substitutional B- ion at the nearest neighbour site along <111>. (C) 2002 Elsevier Science B.V. All rights reserved.
- Publication status:
- Published
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- Publisher copy:
- 10.1016/S0925-9635(01)00620-3
Authors
- Journal:
- DIAMOND AND RELATED MATERIALS More from this journal
- Volume:
- 11
- Issue:
- 3-6
- Pages:
- 627-630
- Publication date:
- 2002-01-01
- Event title:
- 12th European Conference on Diamond, Diamond-Like Materials, Carbon Nanotubes, Nitrides and Silicon Carbide (Diamond 2001)
- DOI:
- ISSN:
-
0925-9635
- Keywords:
- Pubs id:
-
pubs:25154
- UUID:
-
uuid:06110c66-f27e-4220-a0b6-511a69589991
- Local pid:
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pubs:25154
- Source identifiers:
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25154
- Deposit date:
-
2012-12-19
- ARK identifier:
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- Copyright date:
- 2002
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