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Ageing effects in nanographite monitored by Raman spectroscopy
Umeå University, Faculty of Science and Technology, Department of Physics.
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2008 (English)In: Physica status solidi. B, Basic research, ISSN 0370-1972, E-ISSN 1521-3951, Vol. 245, no 10, 2082-2085 p.Article in journal (Refereed) Published
Abstract [en]

The structural relaxation of nanographite ball-milled in argon atmosphere and stored in evacuated ampoules, has been studied by monitoring the evolution of the Raman spectra. Reduction of some Raman bands associated with “in-plane” structural defects, such as vacancies, dislocations or grain boundaries, and those associated with “out-of-plane” defects, such as stacking faults, is accompanied by the rise of new bands around 1180 and 2000 cm–1. The development of these bands is suppressed in nanographite samples exposed to a flux of pure anhydrous hydrogen.

Place, publisher, year, edition, pages
2008. Vol. 245, no 10, 2082-2085 p.
Keyword [en]
nanocarbon, raman
National Category
Materials Engineering
Research subject
URN: urn:nbn:se:umu:diva-19100DOI: 10.1002/pssb.200879594OAI: diva2:201400
FP6 12881VR 2005-6238
Available from: 2009-03-04 Created: 2009-03-04 Last updated: 2011-12-21

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Makarova, Tatiana
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