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Dynamic behavior of nickel atoms in graphitic networks

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Banhart, F. Charlier, Jean-Christophe [UCL] Ajayan, P.M.

The dynamic behavior of nickel atoms in graphitic carbon onions, observed by in situ atomic-resolution electron microscopy, shows the formation of stable new C-Ni phases. Nickel is observed to take substitutional in-plane positions in graphene layers, forming a planar graphitelike C-Ni lattice. Evidence is furthermore seen for the formation of a cubic C-NI phase, suggesting a possible phase transformation in C-Ni from a graphitelike to a diamondlike structure. The stability of the planar phases is shown by first-principles calculations which also indicate that the C-NI planes are metallic.

Document type Article de périodique (Journal article) – Article de recherche
Publication date 2000
Language Anglais
Journal information "Physical Review Letters" - Vol. 84, no. 4, p. 686-689 (2000)
Peer reviewed yes
Publisher American Physical Soc (College Pk)
issn 0031-9007
e-issn 1079-7114
Publication status Publié
Affiliation UCL
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Bibliographic reference Banhart, F. ; Charlier, Jean-Christophe ; Ajayan, P.M.. Dynamic behavior of nickel atoms in graphitic networks. In: Physical Review Letters, Vol. 84, no. 4, p. 686-689 (2000)
Permanent URL http://hdl.handle.net/2078.1/43770