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Showing 1 to 2 of 2 for “"thermal phonon scattering"”.
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Lattice thermal conductivity of copper alloys below 2 K
Thermal conductivity measurements have been made between 0.06 and 2 K on copper samples containing either 10 atomic percent aluminum, 30 atomic percent zinc, or 4 atomic percent nickel. These samples were studied in both annealed and heavily deformed conditions. No unusual behavior has been …
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The scattering of thermal phonons by extended defects in dielectric crystals
The scattering of thermal phonons by extended defects in dielectric crystals has been observed through measurements of thermal conductivity and ballistic heat pulse propagation. The thermal conductivities of LiF and NaCt containing 500 low-angle grain boundaries per cm were measured in the range …