Deviation from matthiessen's rule for thermal conductivity of quenched Zn-doped Cd crystals in the temperature range 5–20 K
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Quantitative deviations from Matthiessen's rule (DMR) for thermal conductivity of quenched, Zn-doped Cd single crystals have been calculated on the basis of thermal and electrical conductivity measurements of the metal. The observed nonlinearity of DMRmax versus β, where β is an electron-lattice defect interaction parameter, suggests that anisotropic effects of electron scattering are the most probable source of the DMR for Zn-doped Cd. We have also observed that DMRmax saturates itself, reaching a constant value for higher values of β.
Key wordscadmium low temperatures Matthiessen's rule thermal conductivity
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