| 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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Weatherup, Rs
University of Oxford
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (28/28 displayed)
- 2024The Role of Salt Concentration in Stabilizing Charged Ni-Rich Cathode Interfaces in Li-ion Batteries
- 2024Removal and Reoccurrence of LLZTO Surface Contaminants under Glovebox Conditionscitations
- 2023Effect of current density on the solid electrolyte interphase formation at the lithium∣Li6PS5Cl interfacecitations
- 2022Gently does it!: in situ preparation of alkali metal–solid electrolyte interfaces for photoelectron spectroscopycitations
- 2022Effect of current density on the solid electrolyte interphase formation at the lithium∣Li6PS5Cl interfacecitations
- 2022In situ and operando characterisation of Li metal – Solid electrolyte interfacescitations
- 2022Electrolyte reactivity at the charged Ni-rich cathode interface and degradation in Li-ion batteriescitations
- 2022Electrolyte Reactivity at the Charged Ni-Rich Cathode Interface and Degradation in Li-Ion Batteries.
- 2022Electronic interactions and stability issues at the copper-graphene interface in air and in alkaline solution under electrochemical controlcitations
- 2020Understanding metal organic chemical vapour deposition of monolayer WS2: the enhancing role of au substrate for simple organosulfur precursorscitations
- 2020The origin of chemical inhomogeneity in garnet electrolytes and its impact on the electrochemical performancecitations
- 2020Graphene-passivated nickel as an efficient hole-injecting electrode for large area organic semiconductor devicescitations
- 2020Understanding metal organic chemical vapour deposition of monolayer WS<sub>2</sub>: the enhancing role of Au substrate for simple organosulfur precursors.
- 2019Reactive intercalation and oxidation at the buried graphene-germanium interface
- 2018Compressive Behavior and Failure Mechanisms of Freestanding and Composite 3D Graphitic Foamscitations
- 2018Insulator-to-Metallic Spin-Filtering in 2D-Magnetic Tunnel Junctions Based on Hexagonal Boron Nitridecitations
- 2017Chemical vapour deposition of freestanding sub-60 nm graphene gyroidscitations
- 2017Low temperature growth of fully covered single-layer graphene using a CoCu catalystcitations
- 2016In Situ Observations of Phase Transitions in Metastable Nickel (Carbide)/Carbon Nanocompositescitations
- 2016In Situ Graphene Growth Dynamics on Polycrystalline Catalyst Foilscitations
- 2016Time Evolution of the Wettability of Supported Graphene under Ambient Air Exposurecitations
- 2015Protecting nickel with graphene spin-filtering membranescitations
- 2015Spatial variability in large area single and few-layer CVD graphene
- 2014The role of the sp2:sp3 substrate content in carbon supported nanotube growthcitations
- 2014The influence of intercalated oxygen on the properties of graphene on polycrystalline Cu under various environmental conditionscitations
- 2014Low temperature growth of carbon nanotubes on tetrahedral amorphous carbon using Fe-Cu catalystcitations
- 2014Nitrogen controlled iron catalyst phase during carbon nanotube growthcitations
- 2012The phase of iron catalyst nanoparticles during carbon nanotube growthcitations
Places of action
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document
Spatial variability in large area single and few-layer CVD graphene
Abstract
Variability in graphene can result from the material synthesis or post-processing steps as well as the surrounding environment. This is a critical issue for the performance of large area devices as well as for the large-scale production of micro- and nano-scale graphene devices, leading to low yield and reliability. The aim of this study is to investigate variability of single and few-layer graphene structures, on different substrates, and the effects it has on its electronic properties. We demonstrate a combination of Kelvin probe force microscopy (KPFM) and non-contact Fourier transform infrared spectroscopy (FTIR) measurements for centimeter-scale quantitative mapping of the electrical variability of large-area chemical vapor deposited graphene films. KPFM provides statistical insight into the influence of micro-scale defects on the surface potential, while FTIR gives the spatially averaged chemical potential of the graphene structures. Test structures consisting of single-, bi- and few-layer graphene on SiO2 and Al2O3 were fabricated and analyzed.