Structure of graphene on the Ni(110) surface

Fedorov, Alexander; Varykhalov, A.; Dobrotvorskii, A. M.; Chikina, Alla; Adamchuk, V. K.; Usachov, Dmitry Yu.

doi:10.1134/s1063783411090101

Cited by 14 publications

(7 citation statements)

References 19 publications

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“…A similar multidomain structure (two domains rotated by ±13°, and one domain aligned with the 001 [ ] direction) was observed in the case of the graphene/Ni(110) system [50,51]. In this case, the formation of a specific structure was connected to small differences in the morphology of the substrate, i.e.…”

Section: Graphene On Pt(110)supporting

confidence: 55%

Growth and electronic structure of 2D hexagonal nanosheets on a corrugated rectangular substrate

et al. 2018

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Graphene and h-BN are grown by chemical vapor deposition in ultra high vacuum conditions on the Pt(110) surface. Scanning tunneling microscopy measurements and low-energy electron diffraction data indicate that graphene forms a variety of differently oriented incommensurate domains although with a strong preference to align its [Formula: see text] direction with the [Formula: see text] direction of Pt. Meanwhile, h-BN exhibits a c(8 × 10) commensurate superstructure, which presents a high level of defectivity that implies local variation of the periodicity (i.e. mixed c(8 × 10) and c(8 × 12) patches) and the introduction of local defects. The combination of advanced photoemission spectroscopy data (angle-resolved photoemission spectroscopy from the valence band) and ab initio calculations indicates that both 2D materials interact weakly with the substrate: graphene exhibits neutral doping and is morphologically flat, even if it nucleates on the relatively highly corrugated rectangular (110) surface. In the case of h-BN, the interaction is slightly stronger and is characterized by a small electron transfer from surface Pt atoms to nitrogen atoms. The (110) termination of Pt is therefore a quite interesting surface for the growth of 2D materials because given its low symmetry, it may favor the growth of selectively oriented domains but does not affect their pristine electronic properties.

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Section: Graphene On Pt(110)supporting

confidence: 55%

Growth and electronic structure of 2D hexagonal nanosheets on a corrugated rectangular substrate

et al. 2018

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“…Consequently in STM imaging different moiré-superstructures may be observed. In Fig 7(b) an example for a 9.5 rotation angle is shown and a corresponding simulated image is shown in Fig 7(c) 57,58.…”

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confidence: 99%

Graphene–nickel interfaces: a review

2014

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Graphene on nickel is a prototypical example of an interface between graphene and a strongly interacting metal, as well as a special case of a lattice matched system. The chemical interaction between graphene and nickel is due to hybridization of the metal d-electrons with the π-orbitals of graphene. This interaction causes a smaller separation between the nickel surface and graphene (0.21 nm) than the typical van der Waals gap-distance between graphitic layers (0.33 nm). Furthermore, the physical properties of graphene are significantly altered. Main differences are the opening of a band gap in the electronic structure and a shifting of the π-band by ∼2 eV below the Fermi-level. Experimental evidence suggests that the ferromagnetic nickel induces a magnetic moment in the carbon. Substrate induced geometric and electronic changes alter the phonon dispersion. As a consequence, monolayer graphene on nickel does not exhibit a Raman spectrum. In addition to reviewing these fundamental physical properties of graphene on Ni(111), we also discuss the formation and thermal stability of graphene and a surface-confined nickel-carbide. The fundamental growth mechanisms of graphene by chemical vapor deposition are also described. Different growth modes depending on the sample temperature have been identified in ultra high vacuum surface science studies. Finally, we give a brief summary for the synthesis of more complex graphene and graphitic structures using nickel as catalyst and point out some potential applications for graphene-nickel interfaces.

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“…Gr on fcc(110) metal surfaces displays domain formation or multiple orientations. This holds for Ni(110), Cu(110) and Pt(110), irrespective of whether the interaction with the substrate is strong or weak [26,27,28]. Up to now, among the metals only the quasihexagonal densepacked bcc(110) surface of Fe, still only of twofold symmetry, was shown to enable Gr growth with unique orientation [29].…”

Section: Introductionmentioning

confidence: 91%

“…Far less work has been conducted for Gr growth on non-symmetry-matching substrates of fourfold [17] and twofold symmetry [26,27,28,29,30]. Gr on fcc(110) metal surfaces displays domain formation or multiple orientations.…”

Section: Introductionmentioning

confidence: 99%

Single-crystal graphene on Ir(110)

Kraus,

Huttmann,

Fischer

et al. 2021

Preprint

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A single-crystal sheet of graphene is synthesized on the low-symmetry substrate Ir(110) by thermal decomposition of C 2 H 4 at 1500 K. Using scanning tunneling microscopy, low-energy electron diffraction, angle-resolved photoemission spectroscopy, and ab initio density functional theory the structure and electronic properties of the adsorbed graphene sheet and its moiré with the substrate are uncovered. The adsorbed graphene layer forms a wave pattern of nm wave length with a corresponding modulation of its electronic properties. This wave pattern is demonstrated to enable the templated adsorption of aromatic molecules and the uniaxial growth of organometallic wires. Not limited to this, graphene on Ir(110) is also a versatile substrate for 2D-layer growth and makes it possible to grow epitaxial layers on ureconstructed Ir(110).

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Structure of graphene on the Ni(110) surface

Cited by 14 publications

References 19 publications

Growth and electronic structure of 2D hexagonal nanosheets on a corrugated rectangular substrate

Growth and electronic structure of 2D hexagonal nanosheets on a corrugated rectangular substrate

Graphene–nickel interfaces: a review

Single-crystal graphene on Ir(110)

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