Valerius, Philipp, Herbig, Charlotte, Will, Moritz, Arman, Mohammad A., Knudsen, Jan, Caciuc, Vasile, Atodiresei, Nicolae and Michely, Thomas ORCID: 0000-0003-1657-1847 (2017). Annealing of ion-irradiated hexagonal boron nitride on Ir(111). Phys. Rev. B, 96 (23). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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Abstract

Annealing of a monolayer of hexagonal boron nitride destroyed by Xe ion irradiation gives rise to rich structural phenomena investigated here through a combination of scanning tunneling microscopy, low-energy electron diffraction, x-ray photoelectron spectroscopy, and density functional theory calculations. We find selective pinning of vacancy clusters at a single specific location within the moire formed by hexagonal boron nitride (h-BN) and the Ir substrate, crystalline Xe at room temperature of monolayer and bilayer thickness sealed inside h-BN blisters, standalone blisters only bound to the metal at temperatures where boron nitride on Ir(111) decomposes, and finally a pronounced threefold symmetry of all morphological features due to the preferential formation of boron-terminated zigzag edges that firmly bind to the substrate. The investigations give clear insight into the relevance of the substrate for the damage creation and annealing in a two-dimensional layer material.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Valerius, PhilippUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Herbig, CharlotteUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Will, MoritzUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Arman, Mohammad A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Knudsen, JanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Caciuc, VasileUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Atodiresei, NicolaeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michely, ThomasUNSPECIFIEDorcid.org/0000-0003-1657-1847UNSPECIFIED
URN: urn:nbn:de:hbz:38-208066
DOI: 10.1103/PhysRevB.96.235410
Journal or Publication Title: Phys. Rev. B
Volume: 96
Number: 23
Date: 2017
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 2469-9969
Language: English
Faculty: Faculty of Mathematics and Natural Sciences
Divisions: Faculty of Mathematics and Natural Sciences > Department of Physics > Institute of Physics II
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
CARBON NANOPLATELET FORMATION; SINGLE-LAYER; MOLECULAR-DYNAMICS; EPITAXIAL-GROWTH; H-BN; GRAPHENE; ATOMS; ADSORPTION; STABILITY; PRESSUREMultiple languages
Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/20806

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