PHYSICS OF ELECTRICAL AND ELECTRONIC MATERIALS (1BPHEE102/202)

PHYSICS OF ELECTRICAL AND ELECTRONIC MATERIALS

Course Code 1BPHEE102/202 
Semester I/II
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:2:0 
SEE Marks 50
Total Hours of Pedagogy (Theory and Lab hours) 64 
Total Marks 100
Credits 4 
Exam Hours 3
Examination type (SEE) Descriptive

Module-1

Dielectric and Magnetic Materials:

Dielectrics :

Introduction, Electrical Polarization Mechanisms, Internal fields in solids (qualitative), Clausius-Mossotti relation (Derivation) and its implications, Properties and Frequency dependence of Dielectric constant, Dielectric

loss, Solid, Liquid and Gaseous dielectrics. Application of dielectrics in Capacitors, Transformers (Oils), SF6 in High Voltage application, Numerical Problems.

Magnetic material :

Classification of magnetic materials, Weiss Molecular field theory of ferromagnetism(Qualitative), Importance

of Curie Temperature, Ferromagnetic Hysteresis and Explanation using Domain theory, Energy loss, Hard and

soft ferromagnetic materials and Applications, Transformer Cores, Armature, Inductors and chokes, Permanent Magnets, Numerical Problems

Text Books : 1,2 , Reference Book: 1 , Number of Hours:8

Module-2

Thermoelectric materials and devices:

Thermo emf and thermo current, Seebeck effect, Peltier effect, Seebeck and Peltier coefficients, figure of merit

(Mention Expression), laws of thermoelectricity. Expression for thermo emf in terms of T1 and T2, Thermo

couples, thermopile, Construction and Working of Thermoelectric generators (TEG) and Thermoelectric coolers (TEC), low, mid and high temperature thermoelectric materials, Applications: Exhaust of Automobiles, Refrigerator, Space Program (Radioisotope Thermoelectric Generator), Numerical Problems

Text Books : 1,2 , Reference Book: 1 Number of Hours:8

Module-3

Electrical Properties of Metals and Semiconductors:

Failures of classical free electron theory, Mechanisms of electron scattering in solids, Matheissen’s rule, Assumptions of Quantum Free Electron Theory, Density of States, Fermi Dirac statistics, Fermi Energy, Variation

of Fermi Factor With Temperature and Energy, Expression for carrier concentration, Derivation of electron

concentration in an intrinsic semiconductor, Expression for electron and hole concentration in extrinsic semiconductor, Fermi level for intrinsic(with derivation) and extrinsic semiconductor (no derivation), Hall effect,

Numerical Problems.

Text Books : 1,2 , Reference Book: 1, 4 

Module-4

Superconductivity

Zero resistance state, Persistent current, Meissner effect, Critical temperature, Critical current (Silsbee Effect) –

Derivation for a cylindrical wire using ampere’s law, Critical field, Formation of Cooper pairs - Mediation of

phonons, Two-fluid model, BCS Theory - Phase coherent state, Limitations of BCS theory, Type-I and Type-II

superconductors, High Tc superconductors, Formation of Vortices, Explanation for upper critical field, Josephson

junction, Flux quantization, DC Squid, Superconducting Magenet, MAGLEV, Numerical Problems.

Text Books :1, 3, Reference Book:1, 2 Number of Hours:8

Module-5

Electrical Engineering Materials

Rare earth materials, Role in energy systems, Electrical & Magnetic phase diagram, Examples & high magnetic

field applications, Ceramics: Types, Materials, Applications, Electrostriction, Strain proportional to square of the

electric field, Comparison with piezoelectric effect, Materials, Applications, Electrorheological (ER) materials,

Principle, Viscosity changes under applied electric field, ER Fluids, Applications, Magnetorheological (MR) materials, Principle, Magnetic field-induced change in viscosity, MR Fluids, Applications. Numerical Problems

Text Books :4, Reference Book: 5 Number of Hours: 8

PRACTICAL COMPONENTS OF IPCC

EXPERIMENTS

1. Determination of dielectric constant of the material of capacitor by charging and discharging method.

2. Determination of Magnetic Flux Density at any point along the axis of a circular coil.

3. Determination of resistivity of a semiconductor by Four Probe Method.

4. Study the Characteristics of the given Photo-Diode and determine the power responsivity.

5. Study the frequency response of Series & Parallel LCR circuits.

6. Determination of Fermi Energy of Copper.

7. Tracing of B-H Curve for a ferromagnetic material.

8. Maxwell’s / Wheatstone bridge circuits – Determination of unknown value of inductance / resistance.

9. Experiment on Thermo-emf / Peltier Module.

10. Black-Box Experiment Black-Box Experiment (Identification of basic Electronic/Electrical Components)

11. Determine the Energy Gap of the given Semiconductor.

12. To study the operation of a multimeter and use it for measuring resistance, current, voltage, and for

testing diodes, transistors, and continuity in conductors.

13. Experimental Data Analysis using Spread Sheets.

14. Construction and Analyzing Electronic circuits using one of the following

1. Expeyes : https://expeyes.in/

2. Circuit Lab : https://www.circuitlab.com/

3. Multisim : https://www.multisim.com/

4. DCAClab : https://dcaclab.com/

5. Falstad : https://www.falstad.com/circuit/

Suggested Learning Resources:

Text books:

1. Solid State Physics-S O Pillai, 8th Ed- New Age International Publishers-2018.

2. Engineering Physics, Satyendra Sharma and Jyotsna Sharma, Pearson, 2018.

3. A Text book of Engineering Physics by M.N. Avadhanulu, P G. Kshirsagar, S Chand, 2014, Revised Edition.

4. Smart Materials and Structures, M. V. Gandhi and B. S. Thompson , Chapman & Hall

Reference books / Manuals:

1. Engineering Physics, S L Kakani, Shubra Kakani, 3rd Edition, 2020, CBS Publishers and Distributers Pvt. Ltd., 2018

2. Tinkham, M. (2004). Introduction to Superconductivity (2nd ed.). Dover Publications.

3. Engineering Physics, Wiley Precise Text Books Series, Wiley,2014

4. Engineering Physics-Gaur and Gupta-Dhanpat Rai Publications-2017.

5. Electrical Engineering Materials, R. K. Shukla, Tata McGraw-Hill Education, India , 2017 reprint edition.