MT61152: Imperfections In Solids
| MT61152 | |
|---|---|
| Course name | Imperfections In Solids |
| Offered by | Metallurgical & Materials Engineering |
| Credits | 4 |
| L-T-P | 3-1-0 |
| Previous Year Grade Distribution | |
| {{{grades}}} | |
| Semester | Spring |
Syllabus
Syllabus mentioned in ERP
Introduction to point imperfections in crystals; Daltonian and non-Daltonian metal compounds, concepts and types of defects - atomic, ionic and electronic defects; notation of point defects, defect formation reactions, other types of defects - defect complexes; electronic disorders not involving atomic imperfections, electronic disorders involving atomic imperfections, possible schemes of energy levels for different crystalline compounds, stability of defects; thermodynamics of defect equilibria - stoichiometric and nonstochiometric compounds, small deviation from stoichiometry treatment following Wagner-Schottky method, large deviation from stoichiometry treatment following Livowitz method, Kroger and Vinks approach for multi-unknown systems; Crystalvapour equilibria - Frenkel disorder, Schottky-Wagner disorder, p-type and n-type compounds, crystal containing foreign atoms - doping effects, extended defects, electrical properties of various types of metal compounds, diffusion in oxides and sulfides; role of defects on the oxidation and tarnishing reactions, effect of alloying, electrical field, cold work, shortcircuiting etc., marker studies; solid-solid reactions spinel and complex compound formation; role of defects in roasting reactions; influence of point imperfections on the dissolution kinetics of compound semiconductors; application of defect models to compounds-reduction and sintering phenomena.