Destruction of graphene by metal adatoms

Abstract

The formation energies for mono- and bivacancies in graphene in the presence of adatoms of various metals and small metallic clusters have been calculated. It is shown that transition metal impurities, such as iron, nickel and, especially, cobalt reduce dramatically the vacancy formation energies whereas gold impurities have almost no effect on characteristics of the vacancies. This results highlight that special measures are required in order to protect graphene from damage by transition metal leads.

10 pages, 4 figures, few refs added, English improved, to appear in Appl. Phys. Lett

References in corpus (13)

• The electronic properties of graphene
• Doping graphene with metal contacts
• Chemical functionalization of graphene with defects
• Crystallographic Etching of Few-Layer Graphene
• Graphite and graphene as perfect spin filters
• Evidence of the role of contacts on the observed electron-hole asymmetry in graphene
• Topological Frustration in Graphene Nanoflakes: Magnetic Order and Spin Logic Devices
• Gate-controlled non-volatile graphene-ferroelectric memory
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• Magnetism and local distortions near carbon impurity in $\gamma$-iron
• Defect-induced ferromagnetism in fullerenes
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Cited by in corpus (18)

• Properties of Graphene: A Theoretical Perspective
• First-Principles Study of Substitutional Metal Impurities in Graphene: Structural, Electronic and Magnetic Properties
• Magnetism of Substitutional Co Impurities in Graphene: Realization of Single $\pi$-Vacancies
• Direct Experimental Evidence of Metal-Mediated Etching of Suspended Graphene
• Electrically Controlled Adsorption of Oxygen in Bilayer Graphene Devices
• Metal adatoms on graphene and hexagonal boron nitride: Towards the rational design of self-assembly templates
• sp-Electron Magnetic Clusters with a Large Spin in Graphene
• Europium Underneath Graphene on Ir(111): Intercalation Mechanism, Magnetism, and Band Structure
• Cobalt intercalation at the graphene/iridium(111) interface: influence of rotational domains, wrinkles and atomic steps
• Carbon States in Carbon-Encapsulated Nickel Nanoparticles Studied by Means of X-Ray Absorption, Emission, and Photoelectron Spectroscopies
• Fe clusters (Fe${}_n$, n=1-6) chemisorbed on vacancy defects in graphene: Stability, spin-dipole moment and magnetic anisotropy
• First-principles modeling of the interactions of iron impurities with graphene and graphite
• How to induce superconductivity in epitaxial graphene $via$ remote proximity effect through an intercalated gold layer
• Increasing the Rate of Magnesium Intercalation Underneath Epitaxial Graphene on 6H-SiC(0001)
• Spin Relaxation in Graphene with self-assembled Cobalt Porphyrin Molecules
• Spin channel induced directional dependent spin exchange interactions between divacantly substituted Fe atoms in graphene
• Magnetic adatoms in two and four terminal graphene nanoribbons: A comparison between their spin polarized transport
• Fundamental properties of transition-metals-adsorbed graphene