ECE 656 Lecture 18: Near-Equilibrium Measurements II
01 Nov 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:ReviewThe van der Pauw methodTemperature-dependent measurementsErrors in Hall effect measurementsGraphene: a case studySummary
ECE 656 Lecture 17: Near-Equilibrium Measurements I
Outline:IntroductionResistivity / conductivity measurementsHall effect measurementsThe van der Pauw methodSummary
ECE 656 Lecture 16: The BTE - with B-Fields
20 Oct 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:ReviewB-fieldsHall effectLarge B-fieldsSummary
ECE 656 Lecture 15: The BTE - Transport Coefficients
18 Oct 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:IntroductionConductivityDrift currentDiffusion currentDiscussionSummary
ECE 656 Lecture 14: The Boltzmann Transport Equation
14 Oct 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:IntroductionEquation of motionThe BTESolving the s.s. BTEDiscussionSummary
ECE 656 Lecture 13: Phonon Transport
05 Oct 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:IntroductionElectrons and PhononsGeneral model for heat conductionThermal conductivityDebye modelScatteringDiscussionSummary
ECE 656 Lecture 12: Scattering and Transmission
30 Sep 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:IntroductionPhysics of carrier scatteringTransmission and mfpMFP and scatteringDiscussionSummary
ECE 656 Lecture 11: Coupled Current Equations and Thermoelectric Devices
23 Sep 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:IntroductionCoupled flow equationsThermoelectric devicesDiscussionSummary
ECE 656 Lecture 10: Thermoelectric Effects - (Electronic) Heat Flow
26 Sep 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:IntroductionHeat transport by current flowMathematical formulationDiscussionSummary
ECE 656 Lecture 9: Thermoelectric Effects - Charge Flow
Outline:IntroductionCharge transport in a temperature gradientMathematical formulationDiscussionSummary
ECE 656 Lecture 8: More about Resistance
03 Oct 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:ReviewDiscussionpower dissipationvoltage dropn-type vs. p-type“apparent” mobility1D and 3D resistorsGraphene: A case studySummary
ECE 656 Lecture 7: Resistance - Ballistic to Diffusive
16 Sep 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:Review2D ballistic resistors2D diffusive resistorsDiscussionSummary
ECE 656 Lecture 6: Near-Equilibrium Transport in the Bulk
20 Sep 2011 | Online Presentations | Contributor(s): Mark Lundstrom
ECE 656 Lecture 5: Modes and Transmission
Outline:ModesTransmissionDiscussionSummary
ECE 656 Lecture 4: General Model for Transport
07 Sep 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Outline:The modelNear-equilibrium transportDiscussionSummary
ECE 656 Lecture 3: Density of States
Outline:Density of statesExample: grapheneDiscussionSummary
ECE 656 Lecture 2: Sums in k-Space/Integrals in Energy Space
Outline:Density of states in k-spaceExampleWorking in energy spaceDiscussionSummary
ECE 656 Lecture 1: Introduction to Carrier Transport
26 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom
Solar Cell Fundamentals
19 Aug 2011 | Courses | Contributor(s): Mark Lundstrom, J. L. Gray, Muhammad A. Alam
A new version of the course has been posted here. The modern solar cell was invented at Bell Labs in 1954 and is currently receiving renewed attention as a potential contribution to addressing the world's energy challenge. This set of five tutorials is an introduction to solar...
Solar Cells Lecture 1: Introduction to Photovoltaics
19 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom
An introduction to solar cells covering the basics of PN junctions, optical absorption, and IV characteristics. Key technology options and economic considers are briefly presented.
Lecture 10: Case study-Near-equilibrium Transport in Graphene
Near-equilibrium transport in graphene as an example of how to apply the concepts in lectures 1-8.
ECE 656: Electronic Transport in Semiconductors (Fall 2011)
29 Aug 2011 | Courses | Contributor(s): Mark Lundstrom
This course is about how charge flows in semiconductors with an emphasis on transport in nanoscale devices. The objective is to develop a broad understanding of basic concepts. The course is designed for those who work on electronic materials and devices – whether they are...
Lecture 9: Introduction to Phonon Transport
17 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom
This lecture is an introduction to phonon transport. Key similarities and differences between electron and phonon transport are discussed.
Lecture 8: Measurements
16 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom
A brief introduction to commonly-used techniques, such as van der Pauw and Hall effect measurements.
Lecture 7: The Boltzmann Transport Equation
Semi-classical carrier transport is traditionally described by the Boltzmann Transport Equation (BTE). In this lecture, we present theBTE, show how it is solved, and relate it to the Landauer Approach usedin these lectures