Direct synthesis of sp-bonded carbon chains on graphite surface by femtosecond laser irradiation
- Department of Physics, University of Waterloo, 200 University Ave. West Waterloo, Ontario N2L 3G1 (Canada)
Microscopic phase transformation from graphite to sp-bonded carbon chains (carbyne) and nanodiamond has been induced by femtosecond laser pulses on graphite surface. UV/surface enhanced Raman scattering spectra and x-ray photoelectron spectra displayed the local synthesis of carbyne in the melt zone while nanocrystalline diamond and trans-polyacetylene chains form in the edge area of gentle ablation. These results evidence possible direct 'writing' of variable chemical bonded carbons by femtosecond laser pulses for carbon-based applications.
- OSTI ID:
- 21013656
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 13 Vol. 91; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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