Nitrogen in diamond: evidence from thermal conductivity
- 7 November 1975
- journal article
- letter
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 8 (21) , L430-L434
- https://doi.org/10.1088/0022-3719/8/21/003
Abstract
Measurements of the thermal conductivity of type I diamonds have been analysed in terms of various phonon-scattering processes. From the relations between the point-defect scattering rates and the total nitrogen contents, it appears that the nitrogen occurs in groups of approximately 10 atoms. The relation between nitrogen content and point-defect scattering was the same in a specimen which had a very high concentration of 'platelet' imperfections, suggesting that there is little, if any, nitrogen in the platelets. Moreover, the scattering by the platelet is approximately 50 times smaller than has been calculated on a specific model of platelets made of nitrogen.Keywords
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