Walters, J.K. and Fox, D.M. and Burke, T.M. and Weedon, O.D. and Newport, R.J. and Howells, W.S. (1995) The Effect of Temperature on the Structure of Amorphous Hydrogenated Carbon. In: UNSPECIFIED.
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Abstract
The results of a neutron diffraction study on the structure of amorphous hydrogenated carbon alpha-C:H are presented up to a maximum temperature of 1000 degrees C. The data show clearly the effect on atomic correlations of elevated temperatures, with the initial room-temperature amorphous network (a mixture of single bonds and olefinic double bonds) becoming progressively aromatic, then graphitic as hydrogen is evolved. Complementary x-ray diffraction and infrared spectroscopy data are also presented, the infrared data enabling a more detailed discussion of the temperature-dependent hydrogen environment, and the x-ray data are used to highlight the change in the carbon network. Comparisons have been made with previous work on similar systems and a brief summary of these results is given.
| Item Type: | Conference or workshop item (Other) |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts |
| Depositing User: | P. Ogbuji |
| Date Deposited: | 09 Jun 2009 16:43 |
| Last Modified: | 21 May 2011 23:51 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/20094 (The current URI for this page, for reference purposes) |
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