Thermal Diffusivity of Liquid Germanium.

概要

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Thermal diffusivity, α, of liquid germanium was determined by the laser flash method. One-dimensional analysis of curve fitting method was utilized to gain α free from the error of the thermal radiation loss. The thermal diffusivity abruptly increases on the melting. The thermal diffusivity increases with the temperature rise at a rate of 0.1%/K. Temperature dependence of the thermall conductivity deduced from α has some discrepancy with that deduced from the electrical conductivity by the Wiedemann-Franz-Lorenz law.
日本熱物性学会の論文