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RESEARCH PRODUCT
Modeling glass materials
Anke WinklerKurt BinderJürgen HorbachWalter Kobsubject
Materials scienceSiliconCharacteristic lengthProcess Chemistry and TechnologySodiumDiffusionInorganic chemistrychemistry.chemical_elementSilicateSurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsIonchemistry.chemical_compoundMolecular dynamicschemistryChemical engineeringAluminiumMaterials ChemistryCeramics and Compositesdescription
Abstract Structural and dynamic properties of silicate melts and glasses (SiO 2 and its mixtures with Na 2 O and Al 2 O 3 ) are derived from Molecular Dynamics simulations and compared to pertinent experimental data. It is shown that these mixtures exhibit additional intermediate order as compared to pure silica, where the characteristic length scales stem from the tetrahedral network structure. While sodium ions show much faster diffusion through percolating channels than the silicon and oxygen ions forming the surrounding network, aluminium ions are incorporated into the network (leading to tricluster formation) and do not show such an enhanced mobility.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2005-01-01 | Ceramics International |