Dispersion, ionic bonding and vibrational shifts in phospho-aluminosilicate glasses
Thilo Grammes, Dominique de Ligny, Dintu Mathew, Kristin Griebenow, Franziska Scheffler, Florian Lindner, Claudia Aichele, Jan Dellith, Leo van Wüllen, E. I. Kamitsos, Delia S. Brauer
Abstract
The average shift of high-frequency IR and Raman spectra, calculated as their centre of gravity (COG), correlates linearly with optical basicity and allows for estimating the average degree of covalent/ionic bonding by vibrational spectroscopy.
Topics & Concepts
AluminosilicateRaman spectroscopyIonic bondingDispersion (optics)Covalent bondCogInfrared spectroscopyMaterials scienceChemistryAnalytical Chemistry (journal)OpticsOrganic chemistryPhysicsIonArtificial intelligenceComputer scienceCatalysisGlass properties and applicationsLuminescence Properties of Advanced MaterialsMineralogy and Gemology Studies