EC 3101

ELECTRONIC ENGINEERING MATERIALS

1. Conducting materials - Effect of temperature on resistivity of different conducting materials, Metal and alloys for fuses, Properties and specifications of wire, cable and antenna material.
2. Semiconducting materials - Element and compound semiconductors and their properties, Carrier concentration in intrinsic semiconductors, Carrier concentration in n-type and p-type semiconductors, Variation of fermi level and carrier concentration with temperature, Hall effect.
3. Magnetic materials – Different types of magnetic materials and their properties, Diamagnetism, Paramagnetism, ferromagnetism, anti ferromagnetism and ferrimagnetism. Hard and Soft magnetic materials,Magnetic materials used at high frequencies.
4. Optical properties of materials : metals, insulators and semiconductors, Phosphorescence and fluorescence, Different phosphors used in CRO screens, Liquid crystal as display, materials for LEDs, Photoconductivity and photo conducting materials.
5. Insulating materials- Atomic interpretation of dielectric material of mono atomic gases and poly atomic molecules, general feature of static dielectric constant of solids, piezo electricity and piezoelectric materials, Dielectric properties in alternating fields: Frequency dependence of electronic and ionic polarizability, complex dielectric constant, dielectric relaxation and losses, temperature dependence.
6. Ceramics and Superconductors: Classifications of ceramics, properties and uses. Introduction to Superconductors, Various Superconducting materials and their applications.

Books

• Electronics Engineering Materials and Devices, John Allyson,Tata McGraw Hills
• Introduction to Materials Science for Engineers, James Shakelfolk, Macmillan Publishing Co.
• Materials Science and Engineering, V. Raghavan, Prentice Hall of India.
• Electrical Engineering Materials, A.J.Dekker, Prentic Hall of India, New Delhi