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Theory and Calculation of the Thermal Conductivity of Amorphous Si
Published online by Cambridge University Press: 28 February 2011
Abstract
Vibrations of amorphous Si are represented by three available 216 atom models and the forces of Stillinger and Weber. It is shown how the Kubo formula for thermal conductivity can be evaluated “exactly” assuming harmonic vibrations, making only finite system-size errors. The results are rather insensitive to the particular model for the coordinates of the atoms and support a “shunt resistor model” for the thermal conductivity which fits data for glasses very well.
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- Copyright © Materials Research Society 1989
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