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In physics, a phonon is a quasiparticle characterized by the quantization of the modes of lattice vibrations of periodic, elastic crystal structures of solids. The study of phonons is an important part of solid state physics because phonons play a major role in many of the physical properties of solids, including a material's thermal and electrical conductivities.

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

Online Presentations (1-17 of 17)

  1. PHYS 620 Lecture 8: Phonons

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    12 Apr 2013 | Online Presentations | Contributor(s): Roberto Merlin

    …

    https://nanohub.org/resources/16827

  2. ECE 656 Lecture 26: Phonon Scattering III

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    22 Nov 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    Outline: Review Example POP and IV scattering Scattering in common semiconductors Electron-electron scattering Summary

    https://nanohub.org/resources/12457

  3. ECE 656 Lecture 25: Phonon Scattering II

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    22 Nov 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    Outline: Review phonons electron-phonon coupling Energy-momentum conservation Mathematical formulation Example Summary

    https://nanohub.org/resources/12456

  4. ECE 656 Lecture 24: Phonon Scattering I

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    09 Nov 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    This lecture should be viewed in the 2009 teaching ECE 656 Lecture 23: Phonon Scattering I

    https://nanohub.org/resources/12455

  5. Lecture 9: Introduction to Phonon Transport

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    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.

    https://nanohub.org/resources/11869

  6. Tutorial 2: Thermal Transport Across Interfaces - Electrons

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    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 …

    https://nanohub.org/resources/11840

  7. Tutorial 1: Thermal Transport Across Interfaces - Phonons

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    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 …

    https://nanohub.org/resources/11801

  8. Tutorial 2: A Bottom-Up View of Heat Transfer in Nanomaterials

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    23 Mar 2011 | Online Presentations | Contributor(s): Timothy S Fisher

    This lecture provides a theoretical development of the transport of thermal energy by conduction in nanomaterials. The physical nature of energy transport by two carriers—electrons and …

    https://nanohub.org/resources/11029

  9. Limits of Thermal Processes and their Implications on Efficient Energy Utilization

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    27 Oct 2010 | Online Presentations | Contributor(s): Arunava Majumdar

    About 90 percent of the world’s energy use involves thermal processes – thermal engines to generate mechanical power; heating and cooling in buildings; heating involved in manufacturing of steel, …

    https://nanohub.org/resources/9898

  10. Thermoelectric effects in semiconductor nanostructures: Role of electron and lattice properties

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    06 Oct 2010 | Online Presentations | Contributor(s): Abhijeet Paul, Gerhard Klimeck

    This presentation covers some aspects of present development in the field of thermoelectricity and focuses particularly on the silicon nanowires as potential thermoelectric materials. The electronic …

    https://nanohub.org/resources/9787

  11. Tutorial 3a: Materials Simulation by First-Principles Density Functional Theory I

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    14 Sep 2010 | Online Presentations | Contributor(s): Umesh V. Waghmare

    This lecture provides an introduction to first-principles density functional theory based methods for simulation of materials, with a focus on determination of interatomic force constants and …

    https://nanohub.org/resources/9683

  12. Ripples and Warping of Graphene: A Theoretical Study

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    08 Jun 2010 | Online Presentations | Contributor(s): Umesh V. Waghmare

    We use first-principles density functional theory based analysis to understand formation of ripples in graphene and related 2-D materials. For an infinite graphene, we show that ripples are linked …

    https://nanohub.org/resources/9010

  13. ECE 656 Lecture 25: Phonon Scattering III

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    13 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom

    Outline: Review POP and IV scattering Scattering in common semiconductors Electron-electron scattering Summary

    https://nanohub.org/resources/7813

  14. ECE 656 Lecture 24: Phonon Scattering II

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    13 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom

    Outline: Review Energy-momentum conservation Mathematical formulation Example Summary

    https://nanohub.org/resources/7806

  15. ECE 656 Lecture 23: Phonon Scattering I

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    10 Nov 2009 | Online Presentations | Contributor(s): Mark Lundstrom

    Outline: About phonons Electron-phonon coupling Energy-momentum conservation Summary

    https://nanohub.org/resources/7780

  16. Illinois ECE 598EP Lecture 8 - Hot Chips: Thermal Conductivity of Solids

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    24 Jun 2009 | Online Presentations | Contributor(s): Eric Pop, Omar N Sobh

    Thermal Conductivity of Solids Topics: Kinetic Theory of Energy Transport Simple Kinetic Theory Assumptions Phonon MFP and Scattering Time Silicon Film Thermal Conductivity Silicon …

    https://nanohub.org/resources/6985

  17. Is dual gate device structure better from a thermal perspective?

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    01 Sep 2008 | Online Presentations | Contributor(s): Dragica Vasileska, Stephen M. Goodnick

    This presentation illustrates several points. First, it is shown that in nanoscale devices there is less degradation due to heating effects due to non-stationary nature of the carrier transport …

    https://nanohub.org/resources/5350

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