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Proceedings Paper

Nucleation and growth of diamond by laser ablation
Author(s): Wanlu Wang; Kejun Liao; Biben Wang; Jinlong Xiao
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Paper Abstract

The nucleation and growth of diamond by laser ablation were investigated by scanning electron microscopy and Raman spectrum. The laser deposition parameters have a significant effect on the quality of diamond. High quality of diamond can be achieved by laser deposition with the wavelength of 193 nm, whereas only amorphous carbon higher than 193 nm. Experimental evidences showed that a negative bias voltage relative to the target was applied to substrate, greatly led to nucleation enhancement by ion bombardment. In addition, the stress-induced phase transformation from non-diamond to diamond was occurred by ion bombardment during the nucleation process.

Paper Details

Date Published: 8 September 1999
PDF: 5 pages
Proc. SPIE 3862, 1999 International Conference on Industrial Lasers, (8 September 1999); doi: 10.1117/12.361088
Show Author Affiliations
Wanlu Wang, Chongqing Univ. (China)
Kejun Liao, Chongqing Univ. (China)
Biben Wang, Chongqing Univ. (China)
Jinlong Xiao, Chongqing Univ. (China)

Published in SPIE Proceedings Vol. 3862:
1999 International Conference on Industrial Lasers
Fuxi Gan; Horst Weber; Zaiguang Li; Qingming Chen, Editor(s)

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