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First-principles study of Ni adatom migration on graphene with vacancies

dc.contributor.authorHernández Vázquez, Esther Elena
dc.contributor.authorMuñoz, Francisco J.
dc.contributor.authorLópez Moreno, Sinhué
dc.contributor.authorMorán López, José Luis
dc.date.accessioned2020-03-10T20:43:57Z
dc.date.available2020-03-10T20:43:57Z
dc.date.issued2019
dc.identifier.citationRSC Adv., 2019,9, 18823-18834
dc.identifier.urihttp://hdl.handle.net/11627/5307
dc.description.abstract"A theoretical study based on first-principles calculations about the interaction and diffusion of Ni atoms on pristine graphene and graphene with a single vacancy is presented. In the first case, we explored the structural changes due to the adsorption of Ni on graphene and the effects on the electronic structure. In the case of graphene with a vacancy, we analyzed the impact of the adsorbed Ni atom on the distortion of the graphene structure and how it depends on the distance from the graphene defect. In the analysis, we observed the changes in the electron localization function and the charge density. By knowing the interaction map of Ni with graphene, and the structural changes of the network, we performed energy barrier calculations within the climbing image nudged elastic band methodology to study the nickel diffusion. Finally, we explored how the vacancy and structural distortions affect the minimum energy paths and the saddle points for nickel moving away, around, and towards the vacancy."
dc.publisherRoyal Society of Chemistry
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.classificationQUÍMICA
dc.titleFirst-principles study of Ni adatom migration on graphene with vacancies
dc.typearticle
dc.identifier.doihttps://doi.org/10.1039/C9RA00999J
dc.rights.accessAcceso Abierto


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