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Modeling of heat removal from low dimensional nanostructures

  • Wayne State University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We have investigated the acoustic phonon radiation pattern due to electron - acoustic phonon interaction in double barrier quantum well by solving both the kinetic equations for electrons and phonons. A major peculiarity of acoustic phonon emission from low dimensional structures consists in a violation of the conservation law for the transverse to the quantum well phonon wave vector component. This is due to lack of the translational symmetry in this direction. The typical wave vector of an acoustic phonon interacting with electrons is of the order of (n + n')π/a, where a is the width of the quantum well and n and n' are the numbers of the electron subbands before and after scattering. Except for the case of a strongly degenerate electron gas, the in-plane wave vector of acoustic phonons is smaller than the transverse wave vector, therefore the acoustic phonons carry energy primary in the direction normal to the quantum well.

Original languageEnglish
Title of host publicationProceedings - International Workshop on Physics and Computer Modeling of Devices Based on Low-Dimensional Structures, PCMDLS 1995
EditorsVictor Ryzhii, Maxim Ershov, Vladimir Mitin, Chihiro Hamaguchi
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages80-84
Number of pages5
ISBN (Electronic)0818673214, 9780818673214
DOIs
StatePublished - 1995
Event1995 International Workshop on Physics and Computer Modeling of Devices Based on Low-Dimensional Structures, PCMDLS 1995 - Aizu-Wakamatsu, Japan
Duration: Nov 7 1995 → Nov 9 1995

Publication series

NameProceedings - International Workshop on Physics and Computer Modeling of Devices Based on Low-Dimensional Structures, PCMDLS 1995

Conference

Conference1995 International Workshop on Physics and Computer Modeling of Devices Based on Low-Dimensional Structures, PCMDLS 1995
Country/TerritoryJapan
CityAizu-Wakamatsu
Period11/7/95 → 11/9/95

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