Course Hand Out

Course Code

Course Title

L

T

P

U

PHY 652 T

Physics of Semiconductor Devices

3

1

0

4

 

Scope and Objective of the course: Semiconductor devices are part and parcel of our day to day life and this industry is one of the fastest growing industries. Skilled and trained device physicists are highly in demand in industry and research institutions. This course is designed to develop among the students the proper understanding of the physics behind the semiconductor devices.

Text Books:

1.      Physics of semiconductor Devices
S.M. Sze

2.      Solid state electronic Devices
Ben G. Streetman

References :

1.      NPTEL lectures

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lecture wise plan

Topics to be covered                                                                                        Number of lectures

 

Evolution and uniqueness of Semiconductor Technology

1

Equilibrium carrier concentration, Thermal Equilibrium and wave particle duality ,Intrinsic semiconductor  Bond and band models ,Extrinsic semiconductor  Bond and band models

5

Carrier transport, Random motion, Drift and diffusion

2

Excess carriers, Injection level, Lifetime, Direct and indirect semiconductors

2

Procedure for analyzing semiconductor devices, Basic equations and approximations

1

P-N Junction, Device structure and fabrication, Equilibrium picture, DC forward and reverse characteristics, Small-signal equivalent circuit, Switching characteristics, Solar cell

6

P-N Junction, Device structure and fabrication, Equilibrium picture, DC forward and reverse characteristics, Small-signal equivalent circuit, Switching characteristics, Solar cell

6

Bipolar Junction Transistor, History, Device structures and fabrication, Transistor action and amplification, Common emitter DC characteristics, Small-signal Equivalent circuit SPICE model

6

MOS Junction, C-V characteristics, threshold voltage, body effect

3

Metal Oxide Field Effect Transistor, History, Device structures and fabrication, Common source DC characteristics, Small-signal equivalent circuit SPICE level-1 model, Differences between a MOSFET and a BJT

6

Junction FET and MESFET

2

Recent Developments, Heterojunction FET, Hetrojunction bipolar transistor

2

Summary

1

Total number of lectures

43

 

 

 

 

 

 

 

Evaluation Scheme:

Component

Duration

Weightage

(%)

Remarks

Pre- midterm Quizes

25

Closed Book

Mid Term Exam

2 hrs.

20

Closed Book

Post midterm Quizes

25

Closed Book

Comprehensive Exam

3 hrs.

30

Closed Book

 

1. Attendance Policy: A Student must normally maintain a minimum of 75% attendance in the course without which he/she shall be disqualified from appearing in the respective examination.

2. Make-up Policy: A student, who misses any component of evaluation for genuine reasons, must immediately approach the instructor with a request for make-up examination stating reasons. The decision of the instructor in all matters of make-up shall be final.

3. Chamber Consultation Hours: During the Chamber Consultation Hours, the student can consult the respective faculty in his/her chamber without prior appointment