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Spring 2013: EE 115, TTH 4:30-5:45PM

Instructor: M. S. Lundstrom (lundstro at purdue.edu)

Office Hours: MWF 9:30-10:30AM, EE-334C
(or make an appointment for a different time by e-mail)

Course Announcements

This course was offered at Purdue in Spring 2013. Those who find the materials here useful, are welcome to make use of them.

-Mark Lundstrom








Course Description

This course is about basic semiconductor physics and the physics of three important devices: 1) the PN junction, 2) the bipolar junction transistor (BJT), and 3) the metal-oxide-semiconductor field-effect transistor (MOSFET). The course is divided into three parts. The first part is an introduction to quantum mechanics and solid-state physics (energy bands, electrons and holes, the Fermi function), doping and carrier densities, carrier transport and generation-recombination, and the so-called semiconductor equations, which provide a complete, semi-classical, mathematical description of electrons and holes in semiconductors, subject to some important simplifying assumptions. The second part of the course applies these concepts to PN junctions and bipolar junction transistors (BJTs), and the third part treats the dominant electronic device today, the metal-oxide-semiconductor field-effect transistor (MOSFET).

The course covers a lot of ground, but it provides a basic understanding of semiconductors and devices, for those interested in circuits and applications, and a starting point for further studies, for those who intend to focus on electronic materials and devices.


For a useful collection of practice exams, see Prof. Robert Pierret’s: Semiconductor Device Fundamentals Textbook

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Week 1: Introduction / Geometry of Crystals

Reading Assignment: Advanced Semiconductor Fundamentals, 2nd ed., R.F. Pierret, pp. 10-17

ECE 606 Lecture 1: Introduction
Week1 Quiz1 (43 Kb)
ECE 606 Lecture 2: Geometry of Periodic Crystals
Week1 Quiz2 (41 Kb)

Week 1 Homework Assignment (133 Kb)
Week 1 Homework Solutions (856 Kb)

Week 1 Quiz Answers (42 Kb)

Week 1: References and Supplementary Information
Intro to ECE 606 S13 (4 Mb)
Supplementary Notes (886 Kb)

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Week 2: Quantum Mechanics / Schrodinger Equation (ASF 22-45)

Reading Assignment: Advanced Semiconductor Fundamentals, 2nd ed., R.F. Pierret, pp 22-45

ECE 606 Lecture 3: Elements of Quantum Mechanics
Quiz1 (150 Kb)
ECE 606 Lecture 4: Solution of Schrodinger Equation
Quiz2 (384 Kb)

Week 2 Homework Assignment (366 Kb)
Week 2 Homework Solutions (2 Mb)

Week 2 Quiz Answers (487 Kb)

Week 2: References and Supplementary Information
Quantum Mechanics Review (2 Mb)
Notes on Solving the Wave Eq. (1 Mb)

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Week 3: Energy Bands / Energy Bands in 3D Crystals

Reading Assignment: Advanced Semiconductor Fundamentals, 2nd ed., R.F. Pierret, pp. 51-77

ECE 606 Lecture 5: Energy Bands
Quiz1 (198 Kb)
ECE 606 Lecture 6: Energy Bands (continued)
Quiz2 (265 Kb)
ECE 606 Lecture 7: Energy Bands in Real Crystals
Quiz3 (68 Kb)

Week 3 Quiz Answers (442 Kb)

Week 3: References and Supplementary Information
Energy Bands Review (2 Mb)


Exam 1: January 24
Exam 1 Goals (36 Kb)
Exam 1 Results (40 Kb)
Exam 1 (245 Kb)
Exam 1 Solutions (794 Kb)
ECE 606 Key Equations (310 Kb)

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Week 4: Density of States / Fermi-Dirac Statistics

Reading Assignment: Advanced Semiconductor Fundamentals, 2nd ed., R.F. Pierret, pp. 88-105

ECE 606 Lecture 8: Density of States
Quiz1 (317 Kb)
ECE 606 Lecture 9: Fermi-Dirac Statistics
Quiz2 (150 Kb)

Week 4 Homework Assignment (425 Kb)
Week 4 Homework Solutions (2 Mb)


Week 4 Quiz Answers (422 Kb)

Week 4: References and Supplementary Information
Notes on FD Integrals (116 Kb)
DOS and Carrier Densities Review (2 Mb)

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Week 5: Doping / Equilibrium Statistics / Carrier Conc.

Reading Assignment: Advanced Semiconductor Fundamentals, 2nd ed., R.F. Pierret, pp. 101-118-128

ECE 606 Lecture 10: Additional Information
Week5 Quiz1 (53 Kb)
ECE 606 Lecture 11: Equilibrium Statistics
Week5 Quiz2 (389 Kb)
ECE 606 Lecture 12: Equilibrium Concentrations
Week5 Quiz3 (49 Kb)

Week 5 Homework Assignment (332 Kb)
Week 5 Homework Solutions (3 Mb)

Week 5 Quiz Answers (406 Kb)

Week 5: References and Supplementary Information
E-bands, Carrier Densities, and Eqn. of Motion Review (2 Mb)

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Week 6: Recombination-Generation, Bulk and Surface

Reading Assignment: Advanced Semiconductor Fundamentals, 2nd ed., R.F. Pierret, pp. 134-167

ECE 606 Lecture 13: Recombination-Generation
Quiz1 (42 Kb)
ECE 606 Lecture 14: Bulk Recombination
Quiz2 (105 Kb)
ECE 606 Lecture 15: Surface Recombination/Generation
Quiz3 (45 Kb)


Week 6 Quiz Answers (110 Kb)


Week 6: References and Supplementary Information
Recombination Review (1 Mb)

Exam 2: February 14
Exam 2 Goals (43 Kb)
Exam 2 Results (384 Kb)
Exam 2 (359 Kb)
Exam 2 Solutions (902 Kb)
ECE 606 Key Equations (709 Kb)

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Week 7: Carrier Transport / Semiconductor Equations

Reading Assignment: Advanced Semiconductor Fundamentals, 2nd ed., R.F. Pierret, pp. 190-210

ECE 606 Lecture 16: Carrier Transport
Week7 Quiz1 (353 Kb)
ECE 606 Lecture 17: Hall Effect, Diffusion
Week7 Quiz2 (149 Kb)
ECE 606 Lecture 18: Continuity Equations
Week7 Quiz3 (75 Kb)
ECE 606 Lecture 19: Numerical Solution of Transport Equation
Week7 Quiz4 (44 Kb)


Week 7 Homework Assignment (500 Kb)
Week 7 Homework Solutions (3 Mb)

Week 7 Quiz Answers (527 Kb)

Week 7: References and Supplementary Information
Semiconductor Equations Review (973 Kb)

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Week 8: PN and MS Diode Electrostatics / I-V Characteristics

Reading Assignment: Semiconductor Device Fundamentals, 2nd ed., R.F. Pierret, pp. 195-259, 477-501

ECE 606 Lecture 20: Electrostatics of P-N Junction Diodes
Week8 Quiz1 (183 Kb)
ECE 606 Lecture 21: P-N Diode I-V Characteristics
Week8 Quiz2 (157 Kb)
ECE 606 Lecture 13a: Fermi Level Differences for Metals and Semiconductors
NO QUIZ
ECE 606 Lecture 25: Schottky Diode I
Week8 Quiz3 (181 Kb)
ECE 606 Lecture 26: Schottky Diode II
Week8 Quiz4 (44 Kb)


Week 8 Homework Assignment (478 Kb)
Week 8 Homework Solutions (3 Mb)


Week 8 Quiz Answers (436 Kb)

Week 8: References and Supplementary Information
Notes on Exact PN Junction Electrostatics (2 Mb)
Law of the Junction Revisited (1 Mb)
Heterostructure Fundamentals (3 Mb)

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Week 9: PN Junctions – non-ideal / AC Resp. / Trans

Reading Assignment: Semiconductor Device Fundamentals, 2nd ed., R.F. Pierret, pp. 260-346

ECE 606 Lecture 22: Non-ideal Effects
Week9 Quiz1 (88 Kb)
ECE 606 Lecture 23: AC Response
Week9 Quiz2 (144 Kb)
ECE 606 Lecture 24: Large Signal Response
Week9 Quiz3 (124 Kb)

Week 9 Quiz Answers (267 Kb)


Week 9: References and Supplementary Information
Exam 3: March 7
Exam 3 Goals (37 Kb)
Exam 3 (415 Kb)
Exam 3 Solutions (1 Mb)
Exam 3 Results (277 Kb)
ECE 606 Key Equations (967 Kb)

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Week 10: Bipolar Transistors

Reading Assignment: Semiconductor Device Fundamentals, 2nd ed., R.F. Pierret, pp. 371-433

ECE 606 Lecture 27: Introduction to Bipolar Transistors
Week10 Quiz1 (45 Kb)
ECE 606 Lecture 28: BJT Design I
Week10 Quiz2 (217 Kb)
ECE 606 Lecture 29: BJT Design II
Week10 Quiz3 (201 Kb)

Week 10 Homework Assignment (341 Kb)
Week 10 Homework Solutions (1 Mb)

Week 10 Quiz Answers (379 Kb)

Week 10: References and Supplementary Information
PN Junctions Review (2 Mb) BJT Review (9 Mb)

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Week 11: Heterojunctions and HBTs

Reading Assignment: Semiconductor Device Fundamentals, 2nd ed., R.F. Pierret, pp. 371-429

ECE 606 Lecture 30: Heterojunction Bipolar Transistors I
NO QUIZ ASSIGNED FOR THIS LECTURE
ECE 606 Lecture 31: Heterojunction Bipolar Transistors II
NO QUIZ ASSIGNED FOR THIS LECTURE

Exam 4: March 28
Exam 4 Goals (39 Kb)
ECE 606 Key Equations (1 Mb)
Exam 4 (289 Kb)
Exam 4 Solutions (780 Kb)
Exam 4 Results (384 Kb)

Week 11: References and Supplementary Information
Heterostructure Fundamentals (3 Mb)

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Week 12: MOS Electrostatics

Reading Assignment: Semiconductor Device Fundamentals, 2nd ed., R.F. Pierret, pp. 563-599

ECE 606 Lecture 32: MOS Electrostatics I
Week12 Quiz1 (74 Kb)
ECE 606 Lecture 33: MOS Electrostatics II
Week12 Quiz2 (99 Kb)
ECE 606 Lecture 34: MOSCAP Frequency Response
Week12 Quiz3 (53 Kb)


Week 12 Homework Assignment (302 Kb)
Week 12 Homework Solutions (2 Mb)

Week 12 Quiz Answers (144 Kb)

Week 12: References and Supplementary Information
Additional online lectures on MOS electrostatics:
ECE 612 Lecture 1: 1D MOS Electrostatics I
ECE 612 Lecture 2: 1D MOS Electrostatics II
ECE 612 Lecture 3: MOS Capacitors

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Week 13: MOSFETS: Ideal

Reading Assignment: Semiconductor Device Fundamentals, 2nd ed., R.F. Pierret, pp. 611-637.


ECE 606 Lecture 35: MOSFET I-V Characteristics I
Week13 Quiz1 (150 Kb)
ECE 606 Lecture 36: MOSFET I-V Characteristics II
Week13 Quiz2 (151 Kb)


Week 13 Homework Assignment (712 Kb)
Week 13 Homework Solutions (2 Mb)

Week 13 Quiz Answers (259 Kb)

Week 13: References and Supplementary Information
MOS Electrostatics and FETs Review (4 Mb)
Additional online lectures on MOSFET IV characteristics :
ECE 612 Lecture 5: MOSFET IV: Square law and bulk charge
ECE 612 Lecture 6: MOSFET IV: Velocity saturation
ECE 612 Lecture 11: Effective Mobility

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Week 14: MOSFETS: Nonideal

Reading Assignment: Semiconductor Device Fundamentals, 2nd ed., R.F. Pierret, pp. 645-683 and pp. 691-709.

ECE 606 Lecture 37a: Nonideal Effects in MOSFET I
Quiz1 (77 Kb)
ECE 606 Lecture 37b: Nonideal Effects in MOSFET II
Quiz2 (49 Kb)
ECE 606 Lecture 38: Modern MOSFET
Quiz3 (42 Kb)

Week 14 Quiz Answers (85 Kb)

Exam 5: April 18
Exam 5 Goals (39 Kb)
ECE 606 Key Equations (1 Mb)
Exam 5 (667 Kb)
Exam 5 Solutions (1 Mb)
Exam 5 Results (384 Kb)

Week 14: References and Supplementary Information
Additional online lectures on MOS nonidealities:
ECE 612 Lecture 15: Series Resistance (and effective channel length)
ECE 612 Lecture 12: 2D Electrostatics
ECE 612 Lecture 4: Polysilicon Gates/QM Effects
ECE 612 Lecture 19: Device Variability

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Week 15: Course Wrap-up

ECE 606 Lecture 39: Reliability of MOSFET
Quiz1 (43 Kb)
ECE 606 Lecture 40: Looking Back and Looking Forward
No Quiz

Week 15 Homework Assignment (241 Kb)

Week 15 Homework Solutions (2 Mb)

Week 15 Quiz Answers (41 Kb)

Week 15: References and Supplementary Information

Excellent “American History” (PBS) episode on the history of Si Valley
Follow up article by Donald Christiansen Silicon Valley After Hours

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Finals Week

The Final Exam is not comprehensive – Exam 6 is much like Exams 1-5.

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Exam 6: May 2
Exam 6 Goals (38 Kb)
ECE 606 Key Equations (1 Mb)
Exam 6 (324 Kb)
Exam 6 Solutions (925 Kb)
Exam 6 Results (384 Kb)

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