Review Article
Viscosity and Glass Transition in Amorphous Oxides
Table 5
Basic glass transition models.
| | Model | Ordering process | Key concept |
| | Free-volume | No | Change
in free (excess) volume | | Adam-Gibbs | No | Cooperativity
of motion | | Mode-coupling
theory | No | Self-trapping
(caging) | | Kinetically
constrained | No | Mobility
defects | | Frustration | Icosahedral
ordering in glassy phase | Frustration | | The
Tanaka TOP | Crystallisation | Competing
ordering (frustration) | | Configuron percolation | Percolation
cluster of broken bonds in liquid phase | Broken
bond (configuron) clustering |
|
|
