Viscosity and Glass Transition in Amorphous Oxides

Table 7

Viscosity and bond geometries of amorphous materials.

Temperature	𝑇<𝑇𝑔	𝑇>𝑇𝑔
State	Solid (glassy)	Liquid (melt)
The Hausdorff	d = 3	𝑑𝑓=2.55±0.05
dimension of
bonds
Viscosity	Continuous decreasing function of temperature
	Activation energy high	Activation energy low