, Volume 69, Issue 3, pp 1059-1066

Measurement of high temperature heat content of silicon by drop calorimetry

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Abstract

Heat content of silicon has been measured in a temperature range of 700-1820 K using a drop calorimeter. Boron nitride was used as a sample crucible. The enthalpy of fusion and the melting point of silicon determined from the heat content-temperature plots are 48.31±0.18 kJ mol-1 and 1687±5 K, respectively. The heat content and heat capacity equations were derived using the Shomate function for the solid region and the least square method for the liquid region, respectively, and compared with the literature values.

This revised version was published online in August 2006 with corrections to the Cover Date.