JNTUA B.Tech. R20 Regulations

########## JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY ANANTAPUR B.Tech III-II Sem L T P C 3 0 0 3 (20A56701) PHYSICS OF ELECTRONIC MATERIALS AND DEVICES (Open Elective-II) Course Objectives:

- • To impart the fundamental knowledge on various materials, their properties and applications.
- • To provide insight into various semiconducting materials, and their properties.
- • To enlighten the characteristic behavior of various semiconductor devices.
- • To provide the basics of dielectric and piezoelectric materials and their properties.
- • To explain different categories of magnetic materials, mechanism and their advanced applications.

########## Course Outcome:

At the end of the course the student will be able

- • To understand the fundamentals of various materials.
- • To exploit the physics of semiconducting materials
- • To familiarize with the working principles of semiconductor-based devices.
- • To understand the behaviour of dielectric and piezoelectric materials.
- • To identify the magnetic materials and their advanced applications.

########## UNIT I Fundamentals of Materials Science

Introduction, Phase rule, Phase Diagram, Elementary idea of Nucleation and Growth, Methods of crystal growth. Basic idea of point, line and planar defects. Concept of thin films, preparation of thin films, Deposition of thin film using sputtering methods (RT and glow discharge).

########## UNIT II Semiconductors

Introduction, charge carriers in semiconductors, effective mass, Diffusion and drift, Diffusion and recombination, Diffusion length. The Fermi level & Fermi-Dirac distribution, Electron and Hole in quantum well, Change of electron-hole concentration- Qualitative analysis, Temperature dependency of carrier concentration, Conductivity and mobility, Effects of temperature and doping on mobility, High field effects.

########## UNIT III Physics of Semiconductor devices

Introduction, Band structure, PN junctions and their typical characteristics under equilibrium and under bias, Construction and working principles of: Light emitting diodes, Heterojunctions, Transistors, FET and MOSFETs.

########## UNIT IV Dielectric Materials and their applications:

Introduction, Dielectric properties, Electronic polarizability and susceptibility, Dielectric constant and frequency dependence of polarization, Dielectric strength and dielectric loss, Piezoelectric properties.

########## UNIT V Magnetic Materials and their applications

Introduction, Magnetism &various contributions to para and dia magnetism, Ferro and Ferri magnetism and ferrites, Concepts of Spin waves and Magnons, Anti-ferromagnetism, Domains and domain walls, Coercive force, Hysteresis, Nano-magnetism, Super-paramagnetism - Properties and applications.

########## Textbooks

- 1. Principles of Electronic Materials and Devices- S.O. Kasap, McGraw-Hill Education (India) Pvt. Ltd., 3rd edition, 2007.
- 2. Electronic Components and Materials- Grover and Jamwal, Dhanpat Rai and Co.

########## Reference Books:

- 1. Solid State Electronic Devices -B.G. Streetman and S. Banerjee, PHI Learning, 6th edition
- 2. Electronic Materials Science- Eugene A. Irene, , Wiley, 2005
- 3. An Introduction to Electronic Materials for Engineers-Wei Gao, Zhengwei Li, Nigel Sammes, World Scientific Publishing Co. Pvt. Ltd., , 2nd Edition,2011
- 4. A First Course In Material Science- by Raghvan, McGraw Hill Pub.
- 5. The Science and Engineering of materials- Donald R.Askeland, Chapman& Hall Pub.

########## NPTEL NPTEL courses links:

https://onlinecourses.nptel.ac.in/noc20\_mm02/preview, https://nptel.ac.in/noc/courses/noc17/SEM1/noc17-mm07