Thermal conductivities of InSb and GaSb in solid and liquid states were measured with a ceramic probe. Thermal conductivities at melting points were about 17.7 (W/mK) at 803 K for molten InSb and 21.7 (W/mK) at 993 K for molten GaSb. Thermal conductivities were slightly increased with increasing temperature in liquid state. Lorenz numbers in liquid state were 2.34×10−8 (WΩ/K2) at 803 K for InSb and 2.07×10−8 (WΩ/K2) at 993 K for GaSb.
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Nakamura et al. (1990) studied this question.
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