Syllabus
1) Surface and bulk of solid state. Geometric and electronic structure, differences between bulk and surface. Application in technologies.
2) Purity of bulk and surface, preparation of clean surfaces.
3) Metals, semiconductors, insulators. Electron statistics, mobility and concentration of electrons, their influence to conductivity of materials.
4) Work function, electron emission - basic principles of thermionic emission, field emission, photoemission and secondary emission.
5) Electric contact of two surfaces of solid state - metal - metal, metal - semiconductor and two semiconductors (PN junction).
Annotation
Geometric and electron structures of solid state and its surface. Work function and electron emission.
Conductivity of solid states, electronic effects on surfaces and interface.