Zr-metal adhesion on graphenic nanostructures
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2008
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Our high resolution transmission electronic microscopy studies of multiwall carbon nanotubes show, after the growth of zirconia nanoparticles by a hydrothermal route, the presence of surface Zr, forming an atomically thin layer. Using first-principles calculations we investigate the nature of the Zr-C interaction, which is neither ionic nor covalent, and the optimal coverage for the Zr metal in a graphene flake. This preferred coverage is in agreement with that deduced from electron energy loss spectra experiments. We show also that the amount of charge transferred to the C layer saturates as the Zr coverage increases and the Zr-C bond becomes weaker.
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Sanchez-Paisal , Y , Sanchez-Portal , D , Garmendia , N , Muoz , R , Obieta , I , Arbiol , J , Calvo-Barrio , L & Ayuela , A 2008 , ' Zr-metal adhesion on graphenic nanostructures ' , Applied Physics Letters , vol. 93 , no. 5 , 053101 . https://doi.org/10.1063/1.2966373