Herbig, Charlotte, Ahlgren, E. Harriet, Schroeder, Ulrike A., Martinez-Galera, Antonio J., Arman, Mohammad A., Kotakoski, Jani ORCID: 0000-0002-1301-5266, Knudsen, Jan, Krasheninnikov, Arkady V. ORCID: 0000-0003-0074-7588 and Michely, Thomas (2015). Xe irradiation of graphene on Ir(111): From trapping to blistering. Phys. Rev. B, 92 (8). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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Abstract

Using x-ray photoelectron spectroscopy, thermal desorption spectroscopy, and scanning tunneling microscopy, we show that upon keV Xe+ irradiation of graphene on Ir(111), Xe atoms are trapped under the graphene. Upon annealing, aggregation of Xe leads to graphene bulges and blisters. The efficient trapping is an unexpected and remarkable phenomenon given the absence of chemical binding of Xe to Ir and to graphene, the weak interaction of a perfect graphene layer with Ir(111), as well as the substantial damage to graphene due to irradiation. By combining molecular dynamics simulations and density functional theory calculations with our experiments, we uncover the mechanism of trapping. We describe ways to avoid blister formation during graphene growth, and also demonstrate how ion implantation can be used to intentionally create blisters without introducing damage to the graphene layer. Our approach may provide a pathway to synthesize new materials at a substrate-2D material interface or to enable confined reactions at high pressures and temperatures.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Herbig, CharlotteUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ahlgren, E. HarrietUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schroeder, Ulrike A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Martinez-Galera, Antonio J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Arman, Mohammad A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kotakoski, JaniUNSPECIFIEDorcid.org/0000-0002-1301-5266UNSPECIFIED
Knudsen, JanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Krasheninnikov, Arkady V.UNSPECIFIEDorcid.org/0000-0003-0074-7588UNSPECIFIED
Michely, ThomasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-396195
DOI: 10.1103/PhysRevB.92.085429
Journal or Publication Title: Phys. Rev. B
Volume: 92
Number: 8
Date: 2015
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 2469-9969
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
CARBON NANOPLATELET FORMATION; TOTAL-ENERGY CALCULATIONS; AB-INITIO; THERMAL-DESORPTION; ION-IMPLANTATION; SINGLE-LAYER; ATOMS; SEMICONDUCTORS; ADSORPTION; INTERFACEMultiple languages
Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/39619

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