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  Self-Assembly of Graphene Nanoblisters Sealed to a Bare Metal Surface

Larciprete, R., Colonna, S., Ronci, F., Flammini, R., Lacovig, P., Apostol, N., et al. (2016). Self-Assembly of Graphene Nanoblisters Sealed to a Bare Metal Surface. Nano Letters, 16(3), 1808-1817. doi:10.1021/acs.nanolett.5b04849.

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Larciprete, Rosanna 1, Author
Colonna, Stefano 2, Author
Ronci, Fabio 2, Author
Flammini, Roberto 2, Author
Lacovig, Paolo 3, Author
Apostol, Nicoleta 4, Author
Politano, Antonio 5, Author
Feulner, Peter 6, Author
Menzel, Dietrich7, Author              
Lizzit, Silvano 3, Author
Affiliations:
1CNR-ISC Istituto dei Sistemi Complessi, Via Fosso del Cavaliere 100, 00133 Roma, Italy, ou_persistent22              
2CNR-ISM Istituto di Struttura della Materia, Via Fosso del Cavaliere 100, 00133 Roma, Italy, ou_persistent22              
3Elettra-Sincrotrone Trieste S.C.p.A., AREA Science Park, S.S. 14 km 163.5, 34149 Trieste, Italy, ou_persistent22              
4National Institute of Materials Physics, Atomistilor 105b, 077125 Magurele-Ilfov, Romania, ou_persistent22              
5Department of Physics, University of Calabria, via ponte Bucci 31/C, 87036 Rende (CS), Italy, ou_persistent22              
6Physikdepartment E20, Technische Universität München, 85748 Garching, Germany, ou_persistent22              
7Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              

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 Abstract: The possibility to intercalate noble gas atoms below epitaxial graphene monolayers coupled with the instability at high temperature of graphene on the surface of certain metals has been exploited to produce Ar-filled graphene nanosized blisters evenly distributed on the bare Ni(111) surface. We have followed in real time the self-assembling of the nanoblisters during the thermal annealing of the Gr/Ni(111) interface loaded with Ar and characterized their morphology and structure at the atomic scale. The nanoblisters contain Ar aggregates compressed at high pressure arranged below the graphene monolayer skin that is decoupled from the Ni substrate and sealed only at the periphery through stable C–Ni bonds. Their in-plane truncated triangular shapes are driven by the crystallographic directions of the Ni surface. The nonuniform strain revealed along the blister profile is explained by the inhomogeneous expansion of the flexible graphene lattice that adjusts to envelop the Ar atom stacks.

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 Dates: 2016-01-212015-11-272016-02-012016-03-09
 Publication Status: Published in print
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/acs.nanolett.5b04849
 Degree: -

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Title: Nano Letters
  Abbreviation : Nano Lett.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: 10 Volume / Issue: 16 (3) Sequence Number: - Start / End Page: 1808 - 1817 Identifier: ISSN: 1530-6984
CoNE: https://pure.mpg.de/cone/journals/resource/110978984570403