0000000000824417

AUTHOR

Bruno Reynard

showing 2 related works from this author

Erratum to ‘Raman spectroscopy of β-irradiated silica glass’ by B. Boizot, S. Agnello, B. Reynard, R. Boscaino and G. Petite [J. Non-Cryst. Solids 32…

2004

symbols.namesakeMaterials scienceSilica glassMaterials ChemistryCeramics and CompositesAnalytical chemistrysymbolsIrradiationCondensed Matter PhysicsRaman spectroscopyElectronic Optical and Magnetic MaterialsJournal of Non-Crystalline Solids
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Raman spectroscopy study of β-irradiated silica glass

2003

International audience; Natural and synthetic silica glass samples with different OH content have been submitted to β-irradiation at different doses from 106 to 5 × 109 Gy in a Van de Graaff accelerator. Structural changes under irradiation have been analyzed by Raman spectroscopy. The main findings are: (i) a decrease of the Si–O–Si angular dispersion and the average Si–O–Si angle as a function of dose and (ii) an increase of number of three-membered SiO4 ring concentration during irradiation. These results show therefore that purely electronic excitation from β-irradiation induces in a-SiO2 small but significant structural changes of the SiO4 membered ring statistics (size and dispersion)…

Silica glassAnalytical chemistry02 engineering and technologyRing (chemistry)01 natural scienceslaw.invention[SPI.MAT]Engineering Sciences [physics]/Materialssymbols.namesake[SPI]Engineering Sciences [physics]Opticslaw0103 physical sciencesMaterials ChemistryVan de Graaff generatorIrradiation010306 general physicsChemistrybusiness.industry021001 nanoscience & nanotechnologyCondensed Matter PhysicsAngular dispersionElectronic Optical and Magnetic MaterialsCeramics and Compositessymbols0210 nano-technologybusinessDispersion (chemistry)Raman spectroscopyExcitation
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