| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kotakoski, Jani
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Scalable bottom-up synthesis of Co-Ni-doped graphene.citations
- 2024Probing the interaction range of electron beam-induced etching in STEM by a non-contact electron beam
- 2023Interface effects on titanium growth on graphenecitations
- 2023Creation of Single Vacancies in hBN with Electron Irradiationcitations
- 2023Revealing the influence of edge states on the electronic properties of PtSe 2citations
- 2022Indirect measurement of the carbon adatom migration barrier on graphenecitations
- 2021Carbon Nano-onions: Potassium Intercalation and Reductive Covalent Functionalizationcitations
- 2021The morphology of doubly-clamped graphene nanoribbons
- 2020Cluster Superlattice Membranescitations
- 2019Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphenecitations
- 2017Progress in electronics and photonics with nanomaterialscitations
- 2017Progress in electronics and photonics with nanomaterialscitations
- 2014Nitrogen controlled iron catalyst phase during carbon nanotube growthcitations
- 2013Scaling properties of charge transport in polycrystalline graphenecitations
- 2013Defects in bilayer silica and graphene: common trends in diverse hexagonal two-dimensional systemscitations
- 2006Energetics, structure, and long-range interaction of vacancy-type defects in carbon nanotubescitations
Places of action
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article
Defects in bilayer silica and graphene: common trends in diverse hexagonal two-dimensional systems
Abstract
By combining first-principles and classical force field calculations with aberration-corrected high-resolution transmission electron microscopy experiments, we study the morphology and energetics of point and extended defects in hexagonal bilayer silica and make comparison to graphene, another two-dimensional (2D) system with hexagonal symmetry. We show that the motifs of isolated point defects in these 2D structures with otherwise very different properties are similar, and include Stone-Wales-type defects formed by structural unit rotations, flower defects and reconstructed double vacancies. The morphology and energetics of extended defects, such as grain boundaries have much in common as well. As both sp2-hybridised carbon and bilayer silica can also form amorphous structures, our results indicate that the morphology of imperfect 2D honeycomb lattices is largely governed by the underlying symmetry of the lattice. ; Peer reviewed