Tags: thermal transport

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Description

Thermal transport at sub-micron scales differs substantially from that at normal length scales. Physical laws for heat transfer, such as Fourier's law for heat conduction, fail when the mean free path of energy carriers becomes comparable to the length scales of interest. This occurs in modern microelectronic devices, where for example, channel dimensions, now below 100 nm in length, are comparable to the mean free path of phonons in silicon at room temperature. Research in the nanoscale thermal transport area addresses novel physics at small length and time scales and novel technologies that exploit this class of physics.

Learn more about nanoscale thermo transport from the resources available on this site, listed below.

Online Presentations (21-35 of 35)

  1. MCW07 Simple Models for Molecular Transport Junctions

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    13 Sep 2007 | Online Presentations | Contributor(s): Misha Galperin, Abraham Nitzan, Mark A. Ratner

    We review our recent research on role of interactions in molecular transport junctions. We consider simple models within nonequilibrium Green function approach (NEGF) in steady-state regime.

    https://nanohub.org/resources/3072

  2. Electron Emission from Nanoscale Carbon Materials

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    15 May 2007 | Online Presentations | Contributor(s): Timothy S Fisher

    Prior studies on electron emission show possibly beneficial effects of nanoscale phenomena on energy-conversion characteristics. For example, recent work has shown that the electric field...

    https://nanohub.org/resources/2710

  3. BNC Annual Research Symposium: Nanoscale Energy Conversion

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    23 Apr 2007 | Online Presentations | Contributor(s): Timothy S Fisher

    This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the...

    https://nanohub.org/resources/2636

  4. CMOS-Nano Hybrid Technology: a nanoFPGA-related study

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    04 Apr 2007 | Online Presentations | Contributor(s): Wei Wang

    Dr. Wei Wang received his PhD degree in 2002 from Concordia University, Montreal, QC, Canada, in Electrical and Computer Engineering. From 2002 to 2004, he was an assistant professor in the...

    https://nanohub.org/resources/2567

  5. Highly Efficient Thermal Transport: The Application of Carbon Nanotube Array Interfaces

    4.0 out of 5 stars 

    01 Feb 2007 | Online Presentations | Contributor(s): Baratunde A. Cola

    Carbon nanotubes (CNTs) have received much attention in recent years for their extraordinary properties that through careful engineering may be leverage for the development of numerous...

    https://nanohub.org/resources/2317

  6. Understanding Phonon Dynamics via 1D Atomic Chains

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    28 Aug 2006 | Online Presentations | Contributor(s): Timothy S Fisher

    Phonons are the principal carriers of thermal energy in semiconductors and insulators, and they serve a vital role in dissipating heat produced by scattered electrons in semiconductor devices....

    https://nanohub.org/resources/1186

  7. Nanotubes and Nanowires: One-dimensional Materials

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    17 Jul 2006 | Online Presentations | Contributor(s): Timothy D. Sands

    What is a nanowire? What is a nanotube? Why are they interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions...

    https://nanohub.org/resources/1639

  8. Molecular Transport Structures: Elastic Scattering, Vibronic Effects and Beyond

    4.5 out of 5 stars 

    13 Feb 2006 | Online Presentations | Contributor(s): Mark A. Ratner, Abraham Nitzan, Misha Galperin

    Current experimental efforts are clarifying quite beautifully the nature of charge transport in so-called molecular junctions, in which a single molecule provides the channel for current flow...

    https://nanohub.org/resources/1018

  9. A Gentle Introduction to Nanotechnology and Nanoscience

    4.5 out of 5 stars 

    13 Feb 2006 | Online Presentations | Contributor(s): Mark A. Ratner

    While the Greek root nano just means dwarf, the nanoscale has become a giant focus of contemporary science and technology. We will examine the fundamental issues underlying the excitement...

    https://nanohub.org/resources/1021

  10. Nano-Scale Device Simulations Using PROPHET-Part II: PDE Systems

    5.0 out of 5 stars 

    22 Jan 2006 | Online Presentations | Contributor(s): Yang Liu, Robert Dutton

    Part II uses examples to illustrate how to build user-defined PDE systems in PROPHET.

    https://nanohub.org/resources/975

  11. Nano-Scale Device Simulations Using PROPHET-Part I: Basics

    5.0 out of 5 stars 

    22 Jan 2006 | Online Presentations | Contributor(s): Yang Liu, Robert Dutton

    Part I covers the basics of PROPHET, including the set-up of simulation structures and parameters based on pre-defined PDE systems.

    https://nanohub.org/resources/974

  12. Nano-Scale Device Simulations Using PROPHET

    5.0 out of 5 stars 

    22 Jan 2006 | Online Presentations | Contributor(s): Yang Liu, Robert Dutton

    These two lectures are aimed to give a practical guide to the use of a general device simulator (PROPHET) available on nanoHUB. PROPHET is a partial differential equation (PDE) solver that...

    https://nanohub.org/resources/973

  13. Quantum Chemistry Part II

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    22 Nov 2005 | Online Presentations | Contributor(s): George C. Schatz

    This tutorial will provide an overview of electronic structure calculations from a chemist's perspective. This will include a review of the basic electronic structure theories.

    https://nanohub.org/resources/500

  14. Modeling and Simulation of Sub-Micron Thermal Transport

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    27 Sep 2005 | Online Presentations | Contributor(s): Jayathi Murthy

    In recent years, there has been increasing interest in understanding thermal phenomena at the sub-micron scale. Applications include the thermal performance of microelectronic devices,...

    https://nanohub.org/resources/192

  15. Quantum Chemistry Part I

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    15 Feb 2005 | Online Presentations | Contributor(s): Mark A. Ratner

    This tutorial will provide an overview of electronic structure calculations from a chemist's perspective. This will include a review of the basic electronic structure theories.

    https://nanohub.org/resources/496