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ECE 695A Lecture 9R: Review Questions
Online Presentations | 08 Feb 2013 | Contributor(s):: Muhammad Alam
Review Questions:Does NBTI power-exponent depend on voltage or temperature?Do you expect the NBTI power-exponent to be larger or smaller if trapping is important?How does one know that the diffusing species is neutral?How would the time-exponent different for a surround gate MOSFET vs. planar...
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ECE 695A Lecture 11: Temperature Dependence of NBTI
Online Presentations | 07 Feb 2013 | Contributor(s):: Muhammad Alam
Outline:Review: Temperature activation & NBTITemperature dependent forward/reverse ratesTemperature dependence of diffusion coefficientMaterial dependence of activation energyConclusion
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ECE 695A Lecture 10: NBTI Time Dependence -- Frequency and Duty Cycle Dependencies
Online Presentations | 06 Feb 2013 | Contributor(s):: Muhammad Alam
Outline:NBTI stress and relaxation by R-D modelFrequency independence and lifetime projectionDuty cycle dependenceThe magic of measurementConclusions
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ECE 695A Lecture 9: NBTI Time Dependence -- Stress Phase
Online Presentations | 06 Feb 2013 | Contributor(s):: Muhammad Alam
Outline:Background: Time-dependent degradationThe Reaction-Diffusion modelApproximate solution to R-D model in stress phaseDegradation free transistorsConclusions
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ECE 695A Lecture 6: Defects in the Bulk and at Interfaces
Online Presentations | 01 Feb 2013 | Contributor(s):: Muhammad Alam
Outline:Strain in materials/origin of defectsExamples: bulk defectsExamples: interface defectsMeasurementsConclusions
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ECE 695A Lecture 8: Phenomenological Observations for NBTI
Online Presentations | 01 Feb 2013 | Contributor(s):: Muhammad Alam
Outline:Qualitative observationsTime, voltage, temperature dependenciesMaterial dependenceCircuit implications
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ECE 695A Lecture 8R: Review Questions
Online Presentations | 01 Feb 2013 | Contributor(s):: Muhammad Alam
What is the distinction between BTI and NBTI phenomena?What does it mean that a process is thermally activated?What is the difference between parametric failure and catastrophic failure? Give examples. What are the time-characteristics of trapping, BTI, and NBTI?Which device will have poorer NBTI...
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ECE 695A Lecture 7: Trapping in Pre-existing Traps
Online Presentations | 29 Jan 2013 | Contributor(s):: Muhammad Alam
Outline:Pre-existing vs. stress-induced trapsVoltage-shift in pre-existing bulk/interface trapsRandom Telegraph Noise, 1/f noiseConclusion
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ECE 695A Lecture 7A: Appendix - Theory of Stochastic Distribution
Online Presentations | 29 Jan 2013 | Contributor(s):: Muhammad Alam
Supplemental information for Lecture 7: Trapping in Pre-existing Traps
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ECE 695A Lecture 7R: Review Questions
Online Presentations | 29 Jan 2013 | Contributor(s):: Muhammad Alam
Review Questions:Why are there more types of defects in crystals than in amorphous material?From the perspective of Maxwell’s relation, how does H reduce defect density?Why is HfO2 so defective --- and why do you want to use it?Which type of traps involve faster trapping/detrapping, Pb center or...
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ECE 695A Lecture 1: Reliability of Nanoelectronic Devices
Online Presentations | 11 Jan 2013 | Contributor(s):: Muhammad Alam
Outline:Evolving Landscape of ElectronicsPerformance, Variability, and ReliabilityClassification of ReliabilityCourse InformationConclusions
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Engineering Disorder in Opto-Electronics
Online Presentations | 05 Dec 2012 | Contributor(s):: Jacob B. Khurgin
GaN is a wide bandgap material which can on one hand withstand high power and high temperature operating conditions, and on the other hand has high saturation velocity needed for high frequency operation. This tremendous potential has not been fully realized yet and in this talk it will be shown...
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ECE 606 Lecture 25: Modern MOSFETs
Online Presentations | 03 Dec 2012 | Contributor(s):: Gerhard Klimeck
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nanoHUB-U NT Nanoscale Transistors: Scientific Overview
Online Presentations | 03 Aug 2012 | Contributor(s):: Mark Lundstrom
For details see http://nanohub.org/uNanoscale Transistors has been refined and condensed into a five-week online course that develops a unified framework for understanding essentials of nanoscale transistors without the need for admission, registration, or travel. This online course can be taken...
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Nanoscale Transistors: Scientific Overview
Online Presentations | 19 Jul 2012 | Contributor(s):: Mark Lundstrom
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Nanoscale Transistors Lecture 1: The Most Important Invention of the 20th Century?
Online Presentations | 19 Jul 2012 | Contributor(s):: Mark Lundstrom
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Nanoscale Transistors Lecture 2: IV Characteristics - traditional approach
Online Presentations | 19 Jul 2012 | Contributor(s):: Mark Lundstrom
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Nanoscale Transistors Lecture 3: Controlling Current by Modulating a Barrier
Online Presentations | 19 Jul 2012 | Contributor(s):: Mark Lundstrom
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Nanoscale Transistors Lecture 4: MOS Electrostatics
Online Presentations | 19 Jul 2012 | Contributor(s):: Mark Lundstrom
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Nanoscale Transistors Lecture 5: Transport - ballistic, diffusive, non-local, and quantum
Online Presentations | 19 Jul 2012 | Contributor(s):: Mark Lundstrom