H
Hakim Amara
Researcher at Université Paris-Saclay
Publications - 64
Citations - 2456
Hakim Amara is an academic researcher from Université Paris-Saclay. The author has contributed to research in topics: Carbon nanotube & Graphene. The author has an hindex of 26, co-authored 55 publications receiving 2091 citations. Previous affiliations of Hakim Amara include Centre national de la recherche scientifique & Université catholique de Louvain.
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Scanning tunneling microscopy fingerprints of point defects in graphene : A theoretical prediction
Hakim Amara,Hakim Amara,Sylvain Latil,Vincent Meunier,Philippe Lambin,Jean-Christophe Charlier +5 more
TL;DR: In this article, the authors predict the typical electronic features of a few defects that are likely to occur in sp(2) carbon nanostructures, such as atomic vacancy, divacancy, adatom, and Stone-Wales defect.
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Understanding the nucleation mechanisms of carbon nanotubes in catalytic chemical vapor deposition.
TL;DR: The solubility of carbon in the outermost Ni layers, that depends on the initial, crystalline or disordered, state of the catalyst and on the thermodynamic conditions, is a key quantity to control the nucleation.
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Evidence of Correlation between Catalyst Particles and the Single-Wall Carbon Nanotube Diameter: A First Step towards Chirality Control
M. F. Fiawoo,M. F. Fiawoo,Anne Marie Bonnot,Hakim Amara,Christophe Bichara,J Thibault-Pénisson,A. Loiseau +6 more
TL;DR: It is shown that a direct control of the nanotube diameter by the particle can only be achieved under growth conditions close to thermodynamic equilibrium.
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Tight-binding potential for atomistic simulations of carbon interacting with transition metals: Application to the Ni-C system
TL;DR: In this article, a tight-binding potential for transition metals, carbon, and transition-metal carbides has been optimized through a systematic fitting procedure to obtain a transferable tight binding model of the carbon-carbon, metal-metal, and metal-carbon interactions applicable to binary systems.
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Interdependency of subsurface carbon distribution and graphene-catalyst interaction.
Robert S. Weatherup,Hakim Amara,Raoul Blume,Bruno Dlubak,Bernhard C. Bayer,Mamadou Diarra,Mounib Bahri,Andrea Cabrero-Vilatela,Sabina Caneva,Piran R. Kidambi,Marie-Blandine Martin,Cyrile Deranlot,Pierre Seneor,Robert Schloegl,François Ducastelle,Christophe Bichara,Stephan Hofmann +16 more
TL;DR: It is shown that growth of more weakly adhered, rotated graphene on Ni(111) is linked to an initially higher level of near-surface carbon compared to the case of epitaxial graphene growth, which is related to carbon nanotube growth.