Open AccessThermal Conductivity in Nanoporous Gold Films during Electron‐Phonon Nonequilibrium
Author(s) -
Patrick E. Hopkins,
Pamela M. Norris,
Leslie M. Phinney,
Steven A. Policastro,
Robert G. Kelly
Publication year - 2008
Publication title -
journal of nanomaterials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.463
H-Index - 66
eISSN - 1687-4129
pISSN - 1687-4110
DOI - 10.1155/2008/418050
Subject(s) - nanoporous , materials science , thermal conductivity , non equilibrium thermodynamics , phonon , condensed matter physics , scattering , electron , conductivity , phonon scattering , electron scattering , electrical resistivity and conductivity , composite material , nanotechnology , thermodynamics , optics , physics , chemistry , quantum mechanics
The reduction of nanodevices has given recent attention to nanoporous materials due to their structure and geometry. However, the thermophysical properties of these materials are relatively unknown. In this article, an expression for thermal conductivity of nanoporous structures is derived based on the assumption that the finite size of the ligaments leads to electron-ligament wall scattering. This expression is then used to analyze the thermal conductivity of nanoporous structures in the event of electron-phonon nonequilibrium
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