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Self-Compression and Diamond Nucleation In Irradiated Carbon Onions - A Theoretical Model

Published online by Cambridge University Press:  15 February 2011

M. Zaiser
M. Zaiser*
Affiliation:
Max-Planck-Institut für Metallforschung, Heisenbergstr. 1, D-70569 Stuttgart, Germany, zaiser@physix.mpi-stuttgart.mpg.de
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Abstract

The nucleation of small diamond crystals during irradiation of spherical graphitic particles (’bucky onions’) is discussed. A mechanism for irradiation-induced self-compression of such ’onions’ is proposed. It is demonstrated that this may yield pressures which are sufficiently high for diamond formation. The theoretical results are in good agreement with experimental findings.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 540: Symposium N / Microstructural Processes in Irradiated Materials , 1998 , 243
Copyright
Copyright © Materials Research Society 1999

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