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ECE 656: Electronic Transport in Semiconductors (Fall 2009)

26 Aug 2009 | Courses | Contributor(s): Mark Lundstrom

This course develops a basic understanding of the theory of charge carrier transport in semiconductors and semiconductor devices and an ability to apply it to the anslysis of experiments and devices.

Colloquium on Graphene Physics and Devices

22 Sep 2009 | Courses | Contributor(s): Joerg Appenzeller, Supriyo Datta, Mark Lundstrom

This short course introduces students to graphene as a fascinating research topic as well as to develop their skill in problem solving using the tools and techniques of electronics from the bottom up.

Introductory Comments

22 Sep 2009 | Online Presentations | Contributor(s): Mark Lundstrom

2009 NCN@Purdue Summer School: Electronics from the Bottom Up

22 Sep 2009 | Workshops | Contributor(s): Supriyo Datta, Mark Lundstrom, Muhammad A. Alam, Joerg Appenzeller

The school will consist of two lectures in the morning on the Nanostructured Electronic Devices: Percolation and Reliability and an afternoon lecture on Graphene Physics and Devices. A hands on laboratory session will be available in the afternoons.

ECE 612 Lecture 27: Heterojunction Bipolar Transistors

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15 Dec 2008 | Online Presentations | Contributor(s): Mark Lundstrom

ECE 612 Lecture 26: Heterostructure FETs

10 Dec 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline:1) Introduction,2) Heterojunction review,3) Modulation doping,4) I-V characteristics,5) Device Structure / Materials,6) Summary.

ECE 612 Lecture 25: SOI Electrostatics

08 Dec 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline:1. Introduction,2. General solution, 3. VTF vs. VGB,4. Subthreshold slope,5. Double gate (DG) SOI,6. Recap,7. Discussion,8. Summary.

ECE 612 Lecture 23: RF CMOS

02 Dec 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline: 1) Introduction,2) Small signal model,3) Transconductance,4) Self-gain,5) Gain bandwidth product,6) Unity power gain,7) Noise, mismatch, linearity…,8) Examples

ECE 612 Lecture 22: CMOS Circuit Essentials

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24 Nov 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline: 1) The CMOS inverter,2) Speed,3) Power,4) Circuit performance,5) Metrics,6) Limits.This lecture is an overview of CMOS circuits. For a more detailed presentation, the following lectures from the Fall 2006 teaching of this course should be viewed:Lecture 24: CMOS Circuits, Part I (Fall...

ECE 612 Lecture 21: On Becoming a True Technology Developer

ECE 612 Lecture 19: Device Variability

14 Nov 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline:1) Sources of variability,2) Random dopantfluctuations (RDF),3) Line edge roughness (LER),4) Impact on design.

ECE 612 Lecture 18B: CMOS Process Flow

18 Nov 2008 | Online Presentations | Contributor(s): Mark Lundstrom

For a basic, CMOS process flow for an STI (shallow trench isolation process), see: http://www.rit.edu/~lffeee/AdvCmos2003.pdf.This lecture is a condensed version of the more complete presentation (listed above) by Dr. Fuller.

ECE 612 Lecture 18A: CMOS Process Steps

12 Nov 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline: 1) Unit Process Operations,2) Process Variations.

ECE 612 Lecture 17: Gate Resistance and Interconnects

03 Nov 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline:1) Gate Resistance,2) Interconnects,3) ITRS,4) Summary.

ECE 612 Lecture 16: MOSFET Leakage

31 Oct 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline:1) MOSFET leakage components,2) Band to band tunneling,3) Gate-induced drain leakage,4) Gate leakage,5) Scaling and ITRS,6) Summary.

ECE 612 Lecture 15: Series Resistance (and effective channel length)

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29 Oct 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline:1) Effect on I-V,2) Series resistance components,3) Metal-semiconductor resistance,4) Other series resistance components,5) Discussion,6) Effective Channel Length,7) Summary.

ECE 612 Lecture 14: VT Engineering

28 Oct 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline: 1) VT Specification,2) Uniform Doping,3) Delta-function doping, xC = 0,4) Delta-function doping, xC > 0,5) Stepwise uniform,6) Integral solution.The doping profiles in modern MOSFETs are complex. Our goal is to develop an intuitive understanding of how non-uniform doping profiles affect...

ECE 612 Lecture 12: 2D Electrostatics

Outline:1) Consequences of 2D electrostatics,2) 2D Poisson equation,3) Charge sharing model,4) Barrier lowering,5) 2D capacitor model,6) Geometric screening length,7) Discussion,8) Summary.

ECE 612 Lecture 11: Effective Mobility

20 Oct 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline:1) Review of mobility,2) “Effective”mobility,3) Physics of the effective mobility,4) Measuring effective mobility,5) Discussion,6) Summary.

ECE 612 Lecture 10: Threshold Voltage and MOSFET Capacitances

25 Jan 2014 | Online Presentations | Contributor(s): Mark Lundstrom

Please view ECE 612 Lecture 13: Threshold Voltage and MOSFET Capacitances from the 2006 teaching.

ECE 612 Lecture 9: Subthreshold Conduction

Please view ECE 612 Lecture 12: Subthreshold Conduction from the 2006 teaching.

Notes on Fermi-Dirac Integrals (3rd Edition)

23 Sep 2008 | Papers | Contributor(s): raseong kim, Mark Lundstrom

Fermi-Dirac integrals appear frequently in semiconductor problems, so an understanding of their properties is essential. The purpose of these notes is to collect in one place, some basic information about Fermi-Dirac integrals and their properties. We also present Matlab functions (in a zipped...

ECE 612 Lecture 8: Scattering Theory of the MOSFET II

08 Oct 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline: 1) Review and introduction,2) Scattering theory of the MOSFET,3) Transmission under low VDS,4) Transmission under high VDS,5) Discussion,6) Summary.

ECE 612 Lecture 7: Scattering Theory of the MOSFET I

ECE 612 Lecture 6: MOSFET IV: Velocity saturation

07 Oct 2008 | Online Presentations | Contributor(s): Mark Lundstrom

Outline: 1) Review,2) Bulk charge theory (approximate),3) Velocity saturation theory,4) Summary.