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Neutron and x-ray diffraction studies of a-C:N:H

Walters, J.K., Newport, Robert J., Howells, W.S., Bushnell-Wye, Graham (1996) Neutron and x-ray diffraction studies of a-C:N:H. Journal of Physics: Condensed Matter, 8 (26). pp. 4739-4750. ISSN 0953-8984. (doi:10.1088/0953-8984/8/26/006) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:15996)

Language: English

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The results of neutron and x-ray diffraction experiments performed on a range of nitrogen-doped amorphous hydrogenated carbon (a-C:N-x:H, where x = 0, 6, 8 and 10 at.%) samples are presented. Changes in the average bond lengths and bond angles are observed as the nitrogen content is varied; however, no qualitative structural differences are seen between the samples. Both CH and NH correlations are seen directly, and N-H bonds are shown to be favoured over C-H at the highest N concentration. Also for the sample with the highest N content, the data provide evidence for the presence of a small quantity of C=N triple bonds, although this is not the dominant bonding environment of N. The data indicate that N incorporation may result in some transformation of sp(3) C sites to sp(2) sites, but there is no evidence for N inducing the formation of graphitic clusters, and the structure remains disordered overall.

Item Type: Article
DOI/Identification number: 10.1088/0953-8984/8/26/006
Subjects: Q Science
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User: J.M. Smith
Date Deposited: 28 Apr 2009 14:40 UTC
Last Modified: 16 Nov 2021 09:53 UTC
Resource URI: (The current URI for this page, for reference purposes)

University of Kent Author Information

Newport, Robert J..

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