Crystallography: Crystal systems – Bravais lattices – Lattice planes and Miller Indices – Inter planar spacing – Bragg’s law – Experimental determination of lattice constant by powder diffraction method. Crystal defects: Classification of defects – Concentration of Schottky defects in metals and ionic crystals – Concentration of Frankel defects. Band Theory of Solids: Classical free electron theory (qualitative) – Energy band formation in solids – Kronig-Penney model (qualitative treatment) -Fermi energy and Fermi level in metals – Classification of solids into conductors, semiconductors and insulators.
Magnetic Materials: Classification of magnetic materials: dia, para, ferro, antiferro and ferrimagnetic materials – Weiss molecular field theory of ferromagnetism – Magnetic domains – Hysteresis curve – Soft and hard magnetic materials – Properties and Applications of ferrites.
Superconductivity:Introduction – General properties of super conductors – Meissner effect – Type I and Type II superconductors – BCS theory (qualitative) – High Tc superconductors (in brief) – Applications of superconductors, Josephson’s Junction and SQUIDS.