APEE-405 Solid State Physics

(1)

APEE-405 Solid State Physics 100 Marks

1Unit, 4 credits, Exam.Time: 4 hours

1. Band Theory of Solid: Bloch Theorem, Kronig Penny model, Brillouin zones, Fermi energy, Fermi surfaces, de Haas-Van Alphen effect, Formation energy bands, Density of states, Origin of band gaps, Application of zone theory.

2. Lattice Vibrations: Vibrations of Lattices, Organization of lattice vibrations, Phonon momentum, Lattice heat capacity, Thermal expansion and thermal conductivity.

3. Dielectric Properties: Lorenz field, Different types of polarizibility, Dielectric constant, Relaxation and dielectric losses, Piezoelectricity, Ferroelectricity, Ionic conductivity and electric breakdown.

4. Insulating Materials: Organic polymer, Structure of polymer, Aging of thermoplastics, Glassy polymer, Composite materials incorporating polymers, Electrical properties, Conductive polymer, ceramic materials, Electromagnetic behaviour of Ceramics, Mechanical behaviour of ceramics, Processing of ceramic materials.

5. Ferromagnetism and Antiferromagnetism: Curie point and exchange integral, Temperature dependence of the saturation magnetization; Spin waves; Quantization of spin waves; Ferromagnetic order; Curie temperature and susceptibility of ferromagnets; Antiferromagnetic order; Ferromagnetic domain;

Anisotropy Energy; Origin of domains.

6. Superconductivity: Basic properties of superconductors; The critical field; Meissner effect;

Thermodynamic of super-conductors; London equations; BCS theory of superconductivity; Quantum theory of superconductivity; Josephson effect; Super-conducting magnet.

7. Dislocations: Shear strength of single crystals; Slips; Burgers vector; Stress field of dislocations; Low angle grain boundaries; Dislocation densities; Dislocation multiplication and slip; Dislocation and crystal growth.

8. Optical phenomena in Solid: Colour of a crystal; Excitons; Weakly and tightly bound excitons;

Photoconductivity; Traps; Luminescence; Phosphors.

Books Recommended:

Text Books:

1. C. Kittel : Introduction to Solid State Physics.

2. A.J. Deker : Solid State Physics

Reference books:

1. V. Overstracten & R.P. Mertens : Physics, Technology and use of Photovoltaic 2. V. Azarroff & J. J. Brophy : Electronic process in Materials.

3. L. H. Van Vlack : Material science for Engineers 4. Anderson, Leaver, Alexander & Rawling : Materials Science.

5. Ali Omar : Elementary Solid State Physics.