| 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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Kara, Abdelkader
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Publications (9/9 displayed)
- 2023Dirac Fermions in Blue Phosphorene Monolayercitations
- 2023Dirac Fermions in Blue Phosphorene Monolayercitations
- 2023First steps of silicene growth on an insulating thin-film: effect of the substrate temperature
- 2023First steps of silicene growth on an insulating thin-film: effect of the substrate temperature
- 2023Structural properties of Bi/Au(110)
- 2021Electron beam analysis induces Cl vacancy defects in a NaCl thin filmcitations
- 2020Phosphorus Pentamers: Floating Nanoflowers form a 2D Networkcitations
- 2018Growth of Dihydrotetraazapentacene Layers on Cu(110)citations
- 2012A review on silicene - New candidate for electronicscitations
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article
Phosphorus Pentamers: Floating Nanoflowers form a 2D Network
Abstract
We present an experimental investigation of a new polymorphic 2D single layer of phosphorus on Ag(111). The atomically-resolved scanning tunneling microscopy (STM) images show a new 2D material composed of freely-floating phosphorus pentamers organized into a 2D layer, where the pentamers are aligned in close-packed rows. The scanning tunneling spectroscopy (STS) measurements reveal a semiconducting character with a band gap of 1.20 eV. This work presents the formation at low temperature (LT) of a new polymorphic 2D phosphorus layer composed of a floating 2D pentamer structure. The smooth curved terrace edges and a lack of any clear crystallographic orientation with respect to the Ag(111) substrate at room temperature indicates a smooth potential energy surface that is reminiscent of a liquid-like growth phase. This is confirmed by density functional theory (DFT) calculations that find a small energy barrier of only 0.17 eV to surface diffusion of the pentamers (see Supplemental Material). The formation of extended, homogeneous domains is 2 a key ingredient to opening a new avenue to integrate this new 2D material into electronic devices.