PHYS 620 Lecture 8: Phonons

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

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https://nanohub.org/resources/16827

ECE 656 Lecture 26: Phonon Scattering III

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

ECE 656 Lecture 25: Phonon Scattering II

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

ECE 656 Lecture 24: Phonon Scattering I

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

1-D Chain Dispersions

01 Sep 2011 | Tools | Contributor(s): Nicholas Roberts, Greg Walker

1-D Chain of atoms, bases and layers to produce phonon dispersion

https://nanohub.org/resources/11975

Thermal Transport Across Interfaces

19 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 of …

https://nanohub.org/resources/11876

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.

https://nanohub.org/resources/11869

Tutorial 2: Thermal Transport Across Interfaces - Electrons

15 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

Tutorial 1: Thermal Transport Across Interfaces - Phonons

30 Jul 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

Phonon Thermal Properties

10 Jul 2011 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

Phonon Thermal Properties are discussed in this set of slides.

https://nanohub.org/resources/11637

Phonon Vibrations

10 Jul 2011 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

Vibrations of the crystalline lattice are explained on the examples of monoatomic and diatomic lattice.

https://nanohub.org/resources/11635

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

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

Limits of Thermal Processes and their Implications on Efficient Energy Utilization

19 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

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

29 Sep 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

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

09 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

DFT calculations with Quantum ESPRESSO

07 Jul 2010 | Tools | Contributor(s): Janam Jhaveri, Ravi Pramod Kumar Vedula, Alejandro Strachan, Benjamin P Haley

DFT calculations of molecules and solids

https://nanohub.org/resources/9269

Ripples and Warping of Graphene: A Theoretical Study

19 May 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

CNT Mobility

26 Apr 2009 | Tools | Contributor(s): Yang Zhao, Albert Liao, Eric Pop

Simulate field effect carrier mobility in back-gated CNTFET devices at low field

https://nanohub.org/resources/6688

ECE 656 Lecture 25: Phonon Scattering III

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