Density and density fluctuations anomalies of SiO2 glass: comparison and light-scattering study Auteur(s): Champagnon Bernard, Martinez V., Martinet Christine, Le Parc R., Levelut C. (Article) Publié: Philosophical Magazine B, vol. 87 p.691-695 (2007) Ref HAL: hal-00175421_v1 DOI: 10.1080/14786430601032345 WoS: 000244150900040 Exporter : BibTex | endNote 10 Citations Résumé: he objective of this work is to compare density and density fluctuations of silica as a function of temperature in the anomalous domain between 950 and 1480°C via Archimedes' macroscopic measurements and light scattering. Parallel qualitative behaviour is also recorded between density fluctuations and macroscopic density. Density fluctuations of silica show a minimum as a function of temperature, as with macroscopic density. This correlation indicates a possible common origin of both observations. |