REVIEW LECTURE ON GLASSES THAT IS ONE OF THE COMPONENT PARTS OF THE PROMOTION EXAM
Prof. Andrejs Siliņš
Topics to be discussed in the lecture:
Structure of non-crystalline materials.
Conditions for the existence of a stable non-crystalline state. The nature of chemical bonds in stable non-crystalline solids.
Atomic fluctuations and electron energies in non-crystalline solids.
The appearance of electron energy density functions in non-crystalline materials. Elementary electronic suggestions. Effect of non-crystalline state on quasi-particle properties. Autolocalization of elementary electronic excitation in non-crystalline solids.
Transfer processes in non-crystalline solids.
Electrical charge transfer in non-crystalline materials. Effect of charge carrier concentration on transfer. Energy transfer in non-crystalline solids. Role of excitons in energy transfer processes. Mass transfer and the role of elemental excitation in these processes.
Defects in non-crystalline solids.
Significant differences between point defects in crystalline and non-crystalline states. Defect generation mechanisms in non-crystalline solids.