| 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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Scotti, R.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2024Hydrothermal synthesis of Cu-substituted Ni ferrites: Structural, morphological, and magnetic propertiescitations
- 2024Assembly of Zinc‐Single‐Site‐Containing Silica Nanoparticles to Supraparticle Powders with Destructibility to Serve as Filler and Vulcanization Activator in Rubberscitations
- 2023Effect of the surface functionalization on alumina-based fillers for enhancing the thermal conductivity of polymeric nanocomposites
- 2023Alumina-based fillers functionalized with polyhedral silsesquioxane units for enhancing the thermal conductivity of polymeric nanocomposites
- 2023ESR spectroscopy as a powerful tool for monitoring the exsolution process in Cu-doped SrTiO3 catalytic system.
- 2023Structural effects of TiO2 nanoparticles in photocurable ladder-like polysilsesquioxane nanocompositescitations
- 2022Silica glassceramics containing zinc oxides nanoparticles by solgel derived bottom-up approach
- 2021Using the electron spin resonance to detect the functional centers in materials for sensor devicescitations
- 2021Tailoring the thermal conductivity of rubber nanocomposites by inorganic systems: Opportunities and challenges for their application in tires formulationcitations
- 2019Hybrid interface in sepiolite rubber nanocomposites: Role of self-assembled nanostructure in controlling dissipative phenomenacitations
- 2019Study of Precursor‐Inks Designed for High‐Quality Cu2ZnSnS4 Films for Low‐Cost PV Applicationcitations
- 2019Survival rate and load to failure of premolars restored with inlays: An evaluation of different inlay fabrication methodscitations
- 2019Effect of zinc oxide distribution on vulcanization efficiency and mechanical properties of rubber nanocomposites
- 2018Towards the up-scaled production of highly dispersed ZnO nanoparticles on silica as novel catalyst for the industrial rubber vulcanization process
- 2018Unveiling the hybrid interface in polymer nanocomposites enclosing silsesquioxanes with tunable molecular structure: Spectroscopic, thermal and mechanical propertiescitations
- 2017High quality Cu2ZnSnS4 thin films for photovoltaic applications
- 2016Marginal Adaptation, Gap Width, and Fracture Strength of Teeth Restored With Different All-Ceramic Vs Metal Ceramic Crown Systems: An in Vitro Studycitations
- 2013Effect of ferrule and post placement on fracture resistance of endodontically treated teeth after fatigue loading
- 2011Macroporous WO3 Thin Films Active in NH3 Sensing: Role of the Hosted Cr Isolated Centers and Pt Nanoclusterscitations
- 2010One-Step Preparation of SnO2 and Pt-Doped SnO2 As Inverse Opal Thin Films for Gas Sensingcitations
- 2001Vacuum ultraviolet absorption spectrum of photorefractive Sn-doped silica fiber preformscitations
- 2000Vacuum ultra-violet absorption spectrum of photorefractive Sn-doped silica fiber preforms
Places of action
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document
Vacuum ultra-violet absorption spectrum of photorefractive Sn-doped silica fiber preforms
Abstract
Vacuum ultraviolet absorption data have been obtained up to 8.3 eV on Sn-doped silica preforms of optical fibres. Measurements have been carried out before and after exposure to 248 nm radiation from KrF excimer laser. The absorption spectrum is composed by three main structures peaked at about 4.9, 5.8 and 7 eV, with the absorption edge at about 8.2 eV. The main effect of irradiation is the decrease of the spectral components at 4.9 and 7 eV, whereas a small increase of absorption intensity is only observed just below the band at 4.9 eV. The results suggest that the photorefractivity of this material cannot be directly related to photoconversion of optically active defects. In fact, the contribution to the refractive-index change resulting from the absorption changes observed in the whole region of point-defect bands is negative, contrary to the positive change previously reported. The role of structural modifications - possibly accompanying the defect photoconversion process - is briefly discussed. <br/>