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Direct synthesis of sp-bonded carbon chains on graphite surface by femtosecond laser irradiation

Hu, Aming, Rybachuk, Maksym, Lu, Q-B., & Duley, W.W. (2007) Direct synthesis of sp-bonded carbon chains on graphite surface by femtosecond laser irradiation. Applied Physics Letters, 91(13).

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Abstract

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.

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28 citations in Scopus
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21 citations in Web of Science®

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ID Code: 15051
Item Type: Journal Article
Keywords: diamond, laser beam effects, laser materials processing, Raman spectra, solid, state phase transformations, X, ray photoelectron spectra
DOI: 10.1063/1.2793628
ISSN: 0003-6951
Subjects: Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > ATOMIC MOLECULAR NUCLEAR PARTICLE AND PLASMA PHYSICS (020200) > Atomic Molecular Nuclear Particle and Plasma Physics not elsewhere classified (020299)
Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OPTICAL PHYSICS (020500) > Lasers and Quantum Electronics (020502)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Materials Engineering not elsewhere classified (091299)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2007 American Institute of Physics
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 08 Oct 2008
Last Modified: 22 Aug 2014 11:11

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