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Tags: bottom up approach

Resources (1-20 of 58)

  1. ECE 656 Lecture 41: Transport in a Nutshell

    21 Feb 2012 | Online Presentations | Contributor(s): Mark Lundstrom

    http://nanohub.org/resources/12717

  2. Solar Cells Lecture 4: What is Different about Thin-Film Solar Cells?

    29 Aug 2011 | Online Presentations | Contributor(s): Muhammad A. Alam

    Thin film solar cells promise acceptable efficiency at low cost. This tutorial examines the device physics of thin-film solar cells, which generally require a different type of analysis...

    http://nanohub.org/resources/11949

  3. Solar Cells Lecture 5: Organic Photovoltaics

    29 Aug 2011 | Online Presentations | Contributor(s): Muhammad A. Alam

    Organic solar cells make use of low-cost organic polymers for photovoltaics. Although these solar cells may appear to be quite different from solar cells made with conventional,...

    http://nanohub.org/resources/11950

  4. Spin Transport and Topological Insulators I

    29 Aug 2011 | Online Presentations | Contributor(s): Supriyo Datta

    A major development of the last two decades, the physical and conceptual integration of what used to be two distinct unrelated fields, namely spintronics and magnetics.

    http://nanohub.org/resources/11898

  5. Thermal Transport Across Interfaces

    23 Aug 2011 | Courses | Contributor(s): Timothy S Fisher

    These lectures provide a theoretical development of the transport of thermal energy by conduction in nanomaterials, in which material interfaces typically dominate transport. The physical nature...

    http://nanohub.org/resources/11876

  6. Spin Transport and Topological Insulators II

    19 Aug 2011 | Online Presentations | Contributor(s): Supriyo Datta

    A major development of the last two decades, the physical and conceptual integration of what used to be two distinct unrelated fields, namely spintronics and magnetics.

    http://nanohub.org/resources/11899

  7. Lecture 10: Case study-Near-equilibrium Transport in Graphene

    19 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    Near-equilibrium transport in graphene as an example of how to apply the concepts in lectures 1-8.

    http://nanohub.org/resources/11873

  8. 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.

    http://nanohub.org/resources/11875

  9. Solar Cell Fundamentals

    19 Aug 2011 | Courses | Contributor(s): Mark Lundstrom, J. L. Gray, Muhammad A. Alam

    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...

    http://nanohub.org/resources/11888

  10. Solar Cells Lecture 2: Physics of Crystalline Solar Cells

    19 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    Solar cell performance is determined by generation and recombination of electron-hole pairs. This tutorial focussing on recombination losses in crystalline silicon solar cells under...

    http://nanohub.org/resources/11890

  11. Lecture 7: The Boltzmann Transport Equation

    17 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    Semi-classical carrier transport is traditionally described by the Boltzmann Transport Equation (BTE). In this lecture, we present the BTE, show how it is solved, and relate it to the Landauer...

    http://nanohub.org/resources/11861

  12. 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.

    http://nanohub.org/resources/11869

  13. Lecture 5: Thermoelectric Effects - Mathematics

    16 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    Beginning with the general model for transport, we mathematically derive expressions for the four thermoelectric transport coefficients: (i) Electrical conductivity, (ii) Seebeck coefficient...

    http://nanohub.org/resources/11851

  14. Lecture 6: An Introduction to Scattering

    16 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    In this lecture, we show how the mean-free-path (mfp) is related to the time between scattering events and briefly discuss how the scattering time is related to underlying physical processes.

    http://nanohub.org/resources/11856

  15. 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.

    http://nanohub.org/resources/11862

  16. Tutorial 2: Thermal Transport Across Interfaces - Electrons

    16 Aug 2011 | Online Presentations | Contributor(s): Timothy S Fisher

    Outline: Thermal boundary resistance Electronic transport Real interfaces and measurements Carbon nanotube interfaces “Electronics from the Bottom Up” is an educational initiative designed...

    http://nanohub.org/resources/11840

  17. Tutorial 1: Thermal Transport Across Interfaces - Phonons

    15 Aug 2011 | Online Presentations | Contributor(s): Timothy S Fisher

    Outline: Lattice vibrations and phonons The vibrating string Interfaces between dissimilar strings: acoustic mismatch Discrete masses and the vibrational eigenspectrum General thermal...

    http://nanohub.org/resources/11801

  18. Lecture 2: General Model for Transport

    28 Jul 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    Datta's model of a nanodevice is introduced as a general way of describing nanodevices as well, as bulk metals and semiconductors.

    http://nanohub.org/resources/11745

  19. Lecture 3: Resistance-Ballistic to Diffusive

    28 Jul 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    The resistance of a ballistic conductor and concepts, such as the quantum contact resistance, are introduced and discussed. The results are then generalized to treat transport all the way from...

    http://nanohub.org/resources/11746

  20. Lecture 4: Thermoelectric Effects-Physical Approach

    28 Jul 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    The effect of temperature gradients on current flow and how electrical currents produce heat currents are discussed.

    http://nanohub.org/resources/11747

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