Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation

Realization of a free-standing graphene is always a demanding task. Here we use scanning probe microscopy and spectroscopy to study the crystallographic structure and electronic properties of the uniform nearly free-standing graphene layers obtained by intercalation of oxygen monolayer in the “stron...

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Autores principales: Voloshina, Elena, Berdunov, Nikolai, Dedkov, Yuriy
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4745051/
https://www.ncbi.nlm.nih.gov/pubmed/26852734
http://dx.doi.org/10.1038/srep20285
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author Voloshina, Elena
Berdunov, Nikolai
Dedkov, Yuriy
author_facet Voloshina, Elena
Berdunov, Nikolai
Dedkov, Yuriy
author_sort Voloshina, Elena
collection PubMed
description Realization of a free-standing graphene is always a demanding task. Here we use scanning probe microscopy and spectroscopy to study the crystallographic structure and electronic properties of the uniform nearly free-standing graphene layers obtained by intercalation of oxygen monolayer in the “strongly” bonded graphene/Ru(0001) interface. Spectroscopic data show that such graphene layer is heavily p-doped with the Dirac point located at 552 meV above the Fermi level. Experimental data are understood within density-functional theory approach and the observed effects are in good agreement with the theoretical data.
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spelling pubmed-47450512016-02-16 Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation Voloshina, Elena Berdunov, Nikolai Dedkov, Yuriy Sci Rep Article Realization of a free-standing graphene is always a demanding task. Here we use scanning probe microscopy and spectroscopy to study the crystallographic structure and electronic properties of the uniform nearly free-standing graphene layers obtained by intercalation of oxygen monolayer in the “strongly” bonded graphene/Ru(0001) interface. Spectroscopic data show that such graphene layer is heavily p-doped with the Dirac point located at 552 meV above the Fermi level. Experimental data are understood within density-functional theory approach and the observed effects are in good agreement with the theoretical data. Nature Publishing Group 2016-02-08 /pmc/articles/PMC4745051/ /pubmed/26852734 http://dx.doi.org/10.1038/srep20285 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Voloshina, Elena
Berdunov, Nikolai
Dedkov, Yuriy
Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation
title Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation
title_full Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation
title_fullStr Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation
title_full_unstemmed Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation
title_short Restoring a nearly free-standing character of graphene on Ru(0001) by oxygen intercalation
title_sort restoring a nearly free-standing character of graphene on ru(0001) by oxygen intercalation
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4745051/
https://www.ncbi.nlm.nih.gov/pubmed/26852734
http://dx.doi.org/10.1038/srep20285
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