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Raman and electron ...
Raman and electron microscopy study of C60 collapse/transformation to a nanoclustered graphene-based disordered carbon phase at high pressure/temperature
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- Benavides, Vicente (author)
- Luleå tekniska universitet,Materialvetenskap
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- Chernogorova, Olga (author)
- A.A. Baikov Institute of Metallurgy and Materials Science (IMET), Moscow, Baikov Institute of Metallurgy and Materials Science (IMET), Russian Academy of Sciences
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- Drozdova, Ekaterina I. (author)
- A.A. Baikov Institute of Metallurgy and Materials Science (IMET), Moscow
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- Ushakova, Iraida N. (author)
- A.A. Baikov Institute of Metallurgy and Materials Science (IMET), Moscow
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- Soldatov, Alexander (author)
- Luleå tekniska universitet,Materialvetenskap
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(creator_code:org_t)
- 2015-10-26
- 2015
- English.
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In: Physica status solidi. B, Basic research. - : Wiley. - 0370-1972 .- 1521-3951. ; 252:11, s. 2626-2629
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Transformation of C60 polymers to a superelastic hard carbon (nanoclustered graphene phase (NGP)) occurring in metal matrix at 5 GPa in a temperature interval of 1000–1100 K was studied by optical, scanning electron microscopy (SEM), and Raman spectroscopy. Raman spectral scan across the sample surface allowed us to identify different stages of the structural transformation. The SEM and Raman spectroscopy data testify for the NGP appearance at the defects concentration sites in the parent fullerite structure. We propose that the buckyballs collapse/formation of the NGP is governed by nucleation and growth (diffusive) mechanism unlike earlier discussed in the literature possibility of the martensitic-type (displacive) character of this transformation.
Subject headings
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- Experimentell fysik
- Experimental physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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