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Showing 1 to 1 of 1 for “"ballistic heat pulse propagation"”.
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The scattering of thermal phonons by extended defects in dielectric crystals
… 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 0.08-5 K. The measurements gave little or no evidence for phonon scattering from the·grain …