| 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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Launois, Pascale
French National Centre for Scientific Research
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Strain-induced changes of the X-ray diffraction patterns of cross-linked poly(dimethylsiloxane): the texture hypothesis ; Changement sous contrainte des images de diffraction des rayons X du poly-dimethylsiloxane) : l'hypothèse texturalecitations
- 2022Strain-induced changes of the X-ray diffraction patterns of cross-linked poly(dimethylsiloxane): the texture hypothesiscitations
- 2020Influence of the Al/Ge Ratio on the Structure and Self-Organization of Anisometric Imogolite Nanotubescitations
- 2019Nanomaterials From Imogolite: Structure, Properties, and Functional Materialscitations
- 2016A liquid-crystalline hexagonal columnar phase in highly-dilute suspensions of imogolite nanotubescitations
- 2014Vertically aligned carbon nanotube-based composite: Elaboration and monitoring of the nanotubes alignmentcitations
- 2013Intracellular fate of carbon nanotubes inside murine macrophages: pH-dependent detachment of iron catalyst nanoparticles.citations
- 2009Insights into the mechanism of the gas-phase purification of HiPco SWNTs through a comprehensive multi-technique studycitations
- 2008Vanadium Oxide-PANI Nanocomposite-Based Macroscopic Fibers: 1D Alcohol Sensors Bearing Enhanced Toughnesscitations
- 2005NEXAFS and X-ray scattering study of structure changes after post-annealing treatments of aligned MWNTscitations
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article
NEXAFS and X-ray scattering study of structure changes after post-annealing treatments of aligned MWNTs
Abstract
The control of the crystallization degree is an important issue for carbon nanotube applications. In this context, we present the evolution of the structure after post-annealing treatment of multiwalled carbon nanotubes (MWNT), obtained by the aerosol pyrolysis process, involving liquid aerosols containing both hydrocarbon source and the metal catalyst precursor. The alignment and the degree of crystallinity of the raw and annealed carbon nanotubes have been quantified by X-ray diffraction measurements also used to analyze the metallic phases inside the nanotubes. The Near-Edge X-ray Absorption Fine Structure (NEXAFS) studies were performed at the C K-edge in order to follow the evolution of the electronic structure with the local structure and the degree of crystallinity of the nanotubes. We confirm that this chemical vapour deposition synthesis method enables to produce well-aligned multiwalled carbon nanotubes. The effect of post-annealing temperature both on local ordering and graphitization degree of nanotube walls are described. The results are compared to the previous observations of individual nanotubes by HRTEM concerning the structural changes occurring during annealing treatments.