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In physics, chemistry and materials science, percolation concerns the movement and filtering of fluids through porous materials. During the last three decades, percolation theory, an extensive mathematical model of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science as well as geography.

Learn more about quantum dots from the many resources on this site, listed below. More information on Percolation can be found here.

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  1. ECE 695A Lecture 24: Statistics of Oxide Breakdown - Cell percolation model

    Online Presentations | 21 Mar 2013 | Contributor(s):: Muhammad Alam

    Outline:Observations: Failure times are statistically distributedModels of Failure Distribution: Extrinsic vs. percolationPercolation theory of multiple BreakdownTDDB lifetime projectionConclusions

  2. Stick2D

    Tools | 28 Feb 2011 | Contributor(s):: Jiantong Li

    A Monte Carlo simulator to study percolation characteristics of two-dimensional stick systems

  3. Lecture 6: 3D Nets in a 3D World: Bulk Heterostructure Solar Cells

    Online Presentations | 29 Jul 2009 | Contributor(s):: Muhammad A. Alam

    Outline:Introduction: definitions and review
Reaction diffusion in fractal volumesCarrier transport in BH solar cellsAll phase transitions are not fractalConclusions

  4. Lecture 5: 2D Nets in a 3D World: Basics of Nanobiosensors and Fractal Antennae

    Online Presentations | 29 Jul 2009 | Contributor(s):: Muhammad A. Alam

    Outline:Background: A different type of transport problem
Example: Classical biosensorsFractal dimension and cantor transformExample: fractal nanobiosensors Conclusions
Appendix: Transparent Electrodes and Antenna

  5. Lecture 4: Stick Percolation and Nanonet Electronics

    Online Presentations | 29 Jul 2009 | Contributor(s):: Muhammad A. Alam

    Outline:Stick percolation and nanonet transistorsShort channel nanonet transistorsLong channel nanonet transistorsTransistors at high voltagesConclusions

  6. 2009 NCN@Purdue Summer School: Electronics from the Bottom Up

    Workshops | 09 Jul 2009 | 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.

  7. Lecture 1: Percolation and Reliability of Electronic Devices

    Online Presentations | 29 Jul 2009 | Contributor(s):: Muhammad A. Alam

  8. Lecture 2: Threshold, Islands, and Fractals

    Online Presentations | 29 Jul 2009 | Contributor(s):: Muhammad A. Alam

  9. Lecture 3: Electrical Conduction in Percolative Systems

    Online Presentations | 29 Jul 2009 | Contributor(s):: Muhammad A. Alam

  10. Nanostructured Electronic Devices: Percolation and Reliability

    Courses | 29 Jul 2009 | Contributor(s):: Muhammad A. Alam

    In this series of lectures introduces a simple theoretical framework for treating randomness and variability in emerging nanostructured electronic devices for wide ranging applications – all within an unified framework of spatial and temporal percolation. The problems considered involve...

  11. Jul 20 2009

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

    Electronics from the Bottom Up seeks to bring a new perspective to engineering education -- one that is designed to help realize the opportunities of nanotechnology. Ever since the birth of...

    https://nanohub.org/events/details/231

  12. Energy and Nanoscience A More Perfect Union

    Online Presentations | 27 Mar 2009 | Contributor(s):: Mark Ratner

    Huge problems of energy and sustainability confront the science/engineering community, mankind, and our planet. The energy problem comes in many dimensions, including supply, demand, conservation, transportation, and storage. This overview will stress the nature of these problems, and offer a few...

  13. Lecture 2: Thresholds, Islands, and Fractals

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    Online Presentations | 04 Nov 2008 | Contributor(s):: Muhammad A. Alam

    Three basic concepts of the percolation theory – namely, percolation threshold, cluster size distribution, and fractal dimension – are defined and methods to calculate them are illustrated via elementary examples. These three concepts will form the theoretical foundation for discussion in Lecture...

  14. Lecture 1: Percolation in Electronic Devices

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    Online Presentations | 04 Nov 2008 | Contributor(s):: Muhammad A. Alam

    Even a casual review of modern electronics quickly convinces everyone that randomness of geometrical parameters must play a key role in understanding the transport properties. Despite the diversity of these phenomena however, the concepts percolation theory provides a broad theoretical framework...

  15. Percolation Theory

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    Courses | 03 Nov 2008 | Contributor(s):: Muhammad A. Alam

    The electronic devices these days have become so small that the number of dopant atoms in the channel of a MOFET transistor, the number of oxide atoms in its gate dielectric, the number silicon- or metal crystals in nanocrystal Flash memory, the number of Nanowires in a flexible nanoNET...

  16. Biswajit Ray

    Biswajit Ray is a Phd student in the school of Electrical and Computer Engineering, Purdue university, West Lafayette, Indiana. He works with Prof. Muhammad Ashraf Alam in the area of polymer based...

    https://nanohub.org/members/16643