SYLLABUS FOR SEMESTER - II (MATERIAL SCIENCE)

09PH201                          MATERIAL SCIENCE                             

                                        (Common to all Branches)                         

OBJECTIVE:

At the end of the course the students would be exposed to

• Fundamental knowledge in conducting and semi conducting materials
• Dielectric materials and their Engineering applications.

1. CONDUCTING MATERIALS                                                                                        

Conduction in metals-mobility and conductivity-Classical free electron theory of metals-Electrical and thermal conductivity-Wiedemann-Franz law-Lorentz number-Draw backs of classical theory-Quantum theory-Fermi distribution function-Effect of Temperature on Fermi function-Density of energy states-Carrier concentration in metals.  

2. SEMICONDUCTING MATERIALS                                                                            

Intrinsic semiconductors-Carrier concentration derivation-Fermi level-Variation of Fermi level with temperature-Electrical conductivity-Band gap determination. Extrinsic semi conductors-Carrier concentration derivation in n-type and p-type semiconductors-Variation of Fermi level with temperature and impurity concentration-compound semiconductors-Hall effect-Determination of Hall coefficient-Applications.

3. MAGNETIC AND SUPERCONDUCTING MATERIALS                                  

Origin of magnetic moment-Bohr magneton-Dia and para magnetism-Ferro magnetism- Domain theory-Hysteresis-Soft and Hard magnetic materials-anti-ferromagnetic materials-Ferrites-Applications-Magnetic recording and readout-Storage of magnetic data-tapes, floppy and magnetic disc drives.

Superconductivity: properties-Type I and Type II superconductors-Application to magnetic levitation and SQUIDS.

4. DIELECTRIC MATERIALS                                                                    

Electrical susceptibility-Dielectric constant-electric, ionic, orientational and space charge polarization-Frequency and temperature dependence of polarization-Internal field-Classius-Mosotti relation (derivation)-Dielectric loss-Dielectric breakdown-Uses of dielectric materials (capacitor and transformer)-Ferro electric materials-Properties and application of ferro electric materials-Ferro electric energy converter.

5. MODERN ENGINEERING MATERIALS                                                    

Metallic glasses: Preparation, properties and applications. Shape Memory Alloys(SMA)-Processing, Characterization and applications. Nanomaterials: Synthesis-Plasma arcing-Chemical vapour deposition-Sol-gels-Electrodeposition-Ball milling-Properties of nanoparticles and applications-Carbon nanotubes-fabrication-arc method-Pulsed laser deposition-Chemical vapour deposition-Structure-Properties and applications.

TEXT BOOKS

1. Rajendran,V and Marikani. A, “Materials Science”, Tata McGraw Hill Publications, New Delhi, 2004.
2. Jayakumar.S, “Materials Scince”, R.K Publishers, Coimbatore, 2008.
3. Palanisamy P.K, “Materials Science”, Scitech publications(India) Pvt. Ltd ,Chennai, 2^nd Edition, 2007.
4. Arumugam, M, “Materials Science”, Anuradha Publications, Kumbakonam, 2006.

REFERENCES

1. Charles Kittel, “Introduction to Solid State Physics”, John Wiley and  Sons, 7^th Edition, Singapore, 2007.
2. Charles P.Poole and Frank J.Ownen, “Introduction to Nanotechnology”, Wiley India, 2007.