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Página principal > Artículos > Artículos publicados > Pore-size dependence of the thermal conductivity of porous silicon : |
Fecha: | 2010 |
Resumen: | Phononhydrodynamics is used to analyze the influence of porosity and of pore size on reduction in thermal conductivity in porous silicon, with respect to crystalline silicon. The expressions predict that the thermal conductivity is lower for higher porosity and for smaller pore radius, as a consequence of phononballisticeffects. The theoretical results describe experimental data better than the assumption that they only depend on porosity. |
Derechos: | Tots els drets reservats. |
Lengua: | Anglès |
Documento: | Article ; recerca ; Versió publicada |
Materia: | Thermal conductivity ; Phonons ; Hydrodynamics ; Silicon ; Boltzmann equations ; Ballistic transport ; Boundary value problems ; Heat transport |
Publicado en: | Applied physics letters, Vol. 97, Issue 3 (July 2010) , p. 33103, ISSN 1077-3118 |
4 p, 256.1 KB |