Lattice Thermal Conductivity of Deformed Lithium Fluoride Crystals at Low Temperatures
β Scribed by A. Kumar; B. K. Srivastava; M. A. Ansari
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 650 KB
- Volume
- 138
- Category
- Article
- ISSN
- 0370-1972
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π SIMILAR VOLUMES
Thermal conductivity measurements in a number of bismuth-antimony alloy single crystals, with antimony concentrations from 1.72 at.% to 20 at.~ are reported. Analysis of the results shows that in this alloy system, below about 25 K, the heat carriers are predominantly phonons. Callaway's theoretical
The scattering of phonons by solute atoms in concentrated, binary, substitutional alloys is re-examined, and the corresponding thermal resistivity at low temperatures is calculated for several alloys. Satisfactory agreement with experimentally determined values is obtained. It is shown that the solu