Influence of surface and subsurface Co–Ir alloy on the electronic properties of graphene

Wang, Kangli; Vincent, Thomas; Bouhiron, Jean Baptiste; Pons, Stephane; Roditchev, Dimitri; Simon, Sabina; Fonin, Mikhail; Dedkov, Yuriy S.; Vlaic, Sergio; Voloshina, Elena

Influence of surface and subsurface Co–Ir alloy on the electronic properties of graphene

Dateien

Zu diesem Dokument gibt es keine Dateien.

Datum

2021

Autor:innen

Wang, Kangli

Vincent, Thomas

Bouhiron, Jean Baptiste

Pons, Stephane

Roditchev, Dimitri

Simon, Sabina

Fonin, Mikhail

Dedkov, Yuriy S.

Vlaic, Sergio

Voloshina, Elena

et al.

DOI (zitierfähiger Link)

https://doi.org/10.1016/j.carbon.2021.06.082

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Carbon. Elsevier. 2021, 183, pp. 251-258. ISSN 0008-6223. eISSN 1873-3891. Available under: doi: 10.1016/j.carbon.2021.06.082

Zusammenfassung

Using density functional theory (DFT) calculations and angle-resolved photoemission spectroscopy (ARPES) the structural and electronic properties of graphene on the surface and subsurface Co–Ir alloy are investigated upon the intercalation of Co in graphene/Ir(111). It is found computationally that the interaction strength between graphene and substrate is strongly affected by the composition and nature of an alloy, implying the large difference in the electronic structure of monolayer graphene on Co_xIr_1−x/Ir(111) and Ir/Co_xIr_1−x/Ir(111). Our theoretical results are supported by ARPES data, which demonstrate the disappearance of the Dirac cone when graphene lies on Co and its restoration upon the formation of the subsurface Co–Ir alloy.

Fachgebiet (DDC)

530 Physik

Schlagwörter

Graphene, Intercalation, Alloy, DFT, LEED, STM, ARPES

Zitieren

ISO 690

WANG, Kangli, Thomas VINCENT, Jean Baptiste BOUHIRON, Stephane PONS, Dimitri RODITCHEV, Sabina SIMON, Mikhail FONIN, Yuriy S. DEDKOV, Sergio VLAIC, Elena VOLOSHINA, 2021. Influence of surface and subsurface Co–Ir alloy on the electronic properties of graphene. In: Carbon. Elsevier. 2021, 183, pp. 251-258. ISSN 0008-6223. eISSN 1873-3891. Available under: doi: 10.1016/j.carbon.2021.06.082

BibTex

@article{Wang2021Influ-55780,
  year={2021},
  doi={10.1016/j.carbon.2021.06.082},
  title={Influence of surface and subsurface Co–Ir alloy on the electronic properties of graphene},
  volume={183},
  issn={0008-6223},
  journal={Carbon},
  pages={251--258},
  author={Wang, Kangli and Vincent, Thomas and Bouhiron, Jean Baptiste and Pons, Stephane and Roditchev, Dimitri and Simon, Sabina and Fonin, Mikhail and Dedkov, Yuriy S. and Vlaic, Sergio and Voloshina, Elena}
}

RDF

<rdf:RDF
    xmlns:dcterms="http://purl.org/dc/terms/"
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:bibo="http://purl.org/ontology/bibo/"
    xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#"
    xmlns:foaf="http://xmlns.com/foaf/0.1/"
    xmlns:void="http://rdfs.org/ns/void#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > 
  <rdf:Description rdf:about="https://kops.uni-konstanz.de/server/rdf/resource/123456789/55780">
    <dcterms:abstract xml:lang="eng">Using density functional theory (DFT) calculations and angle-resolved photoemission spectroscopy (ARPES) the structural and electronic properties of graphene on the surface and subsurface Co–Ir alloy are investigated upon the intercalation of Co in graphene/Ir(111). It is found computationally that the interaction strength between graphene and substrate is strongly affected by the composition and nature of an alloy, implying the large difference in the electronic structure of monolayer graphene on Co&lt;sub&gt;x&lt;/sub&gt;Ir&lt;sub&gt;1−x&lt;/sub&gt;/Ir(111) and Ir/Co&lt;sub&gt;x&lt;/sub&gt;Ir&lt;sub&gt;1−x&lt;/sub&gt;/Ir(111). Our theoretical results are supported by ARPES data, which demonstrate the disappearance of the Dirac cone when graphene lies on Co and its restoration upon the formation of the subsurface Co–Ir alloy.</dcterms:abstract>
    <dc:creator>Simon, Sabina</dc:creator>
    <dc:creator>Bouhiron, Jean Baptiste</dc:creator>
    <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2021-12-07T14:22:55Z</dc:date>
    <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/server/rdf/resource/123456789/41"/>
    <dc:creator>Fonin, Mikhail</dc:creator>
    <dc:contributor>Vincent, Thomas</dc:contributor>
    <dc:contributor>Pons, Stephane</dc:contributor>
    <dc:creator>Dedkov, Yuriy S.</dc:creator>
    <dc:creator>Voloshina, Elena</dc:creator>
    <dc:language>eng</dc:language>
    <dc:contributor>Dedkov, Yuriy S.</dc:contributor>
    <dcterms:issued>2021</dcterms:issued>
    <dc:contributor>Fonin, Mikhail</dc:contributor>
    <dc:creator>Roditchev, Dimitri</dc:creator>
    <dc:creator>Pons, Stephane</dc:creator>
    <dc:creator>Wang, Kangli</dc:creator>
    <dc:contributor>Bouhiron, Jean Baptiste</dc:contributor>
    <dc:contributor>Voloshina, Elena</dc:contributor>
    <dc:contributor>Simon, Sabina</dc:contributor>
    <dc:contributor>Wang, Kangli</dc:contributor>
    <foaf:homepage rdf:resource="http://localhost:8080/"/>
    <dc:creator>Vincent, Thomas</dc:creator>
    <dc:creator>Vlaic, Sergio</dc:creator>
    <dc:contributor>Roditchev, Dimitri</dc:contributor>
    <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/server/rdf/resource/123456789/41"/>
    <dc:contributor>Vlaic, Sergio</dc:contributor>
    <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2021-12-07T14:22:55Z</dcterms:available>
    <dcterms:title>Influence of surface and subsurface Co–Ir alloy on the electronic properties of graphene</dcterms:title>
    <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/55780"/>
  </rdf:Description>
</rdf:RDF>

Universitätsbibliographie

Ja

Begutachtet

Unbekannt