Subject Code: PH7L005	Subject Name: Magnetism in Materials	L-T-P: 3-0-0	Credit: 3
Pre-requisite(s): Quantum mechanics and Solid state physics
Magnetism in atoms and ions, dia- and para-magentism, environment effects: crystal field, tetrahedral and octahedral sites, Jahn- Teller effect, Hund's rule and rare earth ions in solids. Collective magnetism: Molecular field theories for ferro-, antiferro- and ferri-magnetism, circular and helical order, spin glass. Direct and indirect exchange interactions, Itinerant magnetism, magnons, domains and domain walls, magnetic hysteresis, pinning effects. Experimental techniques, Magneto resistance, giant magneto resistance, nuclear magnetic resonance, technological aspects of magnetic materials.
Text Books/Reference Books: Blundell S., Magnetism in Condensed Matter, Oxford. Coey J. M. D., Magnetism and Magnetic Materials, Cambridge University Press. Craik D., Magnetism: Principles and Applications, John Wiley. Getzlaff Mathias, Fundamentals of Magnetism, Springer. O’Handley Robert C., Modern Magnetic Materials: Principles and Applications, Wiley-Interscience