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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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Ferrer, Pilar
Diamond Light Source
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Volcanic Eruption in the Nanoworld: Efficient Oxygen Exchange at the Si/SnO<sub>2</sub> Interface
- 2024The Role of Salt Concentration in Stabilizing Charged Ni-Rich Cathode Interfaces in Li-ion Batteries
- 2022Identifying chemical and physical changes in wide-gap semiconductors using real-time and near ambient-pressure XPS ; ENEngelskEnglishIdentifying chemical and physical changes in wide-gap semiconductors using real-time and near ambient-pressure XPScitations
- 2022Identifying chemical and physical changes in wide-gap semiconductors using real-time and near ambient-pressure XPScitations
- 2021Influence of the synthesis parameters on the proton exchange membrane fuel cells performance of Fe–N–C aerogel catalystscitations
- 2020Understanding metal organic chemical vapour deposition of monolayer WS2: the enhancing role of Au substrate for simple organosulfur precursors.
- 2020Understanding metal organic chemical vapour deposition of monolayer WS<sub>2</sub>: the enhancing role of Au substrate for simple organosulfur precursors.
- 2014Synthesis and crystal structure of the novel metal organic framework Zn(C3H5NO2S)2citations
- 2012A flow-through reaction cell forin situX-ray diffraction and absorption studies of heterogeneous powder–liquid reactions and phase transformationscitations
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article
Volcanic Eruption in the Nanoworld: Efficient Oxygen Exchange at the Si/SnO<sub>2</sub> Interface
Abstract
<jats:title>Abstract</jats:title><jats:p>Here, a phenomenon of efficient oxygen exchange between a silicon surface and a thin layer of tin dioxide during chemical vapor deposition is presented, which leads to a unique Sn:SiO<jats:sub>2</jats:sub> layer. Under thermodynamic conditions in the temperature range of 725–735 °C, the formation of nanostructures with volcano‐like shapes in “active” and “dormant” states are observed. Extensive characterization techniques, such as electron microscopy, X‐ray diffraction, synchrotron radiation‐based X‐ray photoelectron, and X‐ray absorption near‐edge structure spectroscopy, are applied to study the formation. The mechanism is related to the oxygen retraction between tin(IV) oxide and silicon surface, leading to the thermodynamically unstable tin(II)oxide, which is immediately disproportionate to metallic Sn and SnO<jats:sub>2</jats:sub> localized in the SiO<jats:sub>2</jats:sub> matrix. The diffusion of metallic tin in the amorphous silicon oxide matrix leads to larger agglomerates of nanoparticles, which is similar to the formation of a magma chamber during the natural volcanic processes followed by magma eruption, which here is associated with the formation of depressions on the surface filled with metallic tin particles. This new effect contributes a new approach to the formation of functional composites but also inspires the development of unique Sn:SiO<jats:sub>2</jats:sub> nanostructures for diverse application scenarios, such as thermal energy storage.</jats:p>