Abstract
Thermal conductivity (A) data for two dense Cr2O3 samples are reported. The results, which span the temperature range 270 to 360 K, show an inflection near the Neel transition temperature, 308 K. An analysis shows that the slope of the higher‐temperature portion of the λlD−1−T curve is about what would be expected for ordinary 3‐phonon U‐process scattering. Above TN the mean free path for phonon‐spin scattering is constant and equal to ∼10 nm.
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