Abstract
With particular attention to the thermal stain and the specimen thickness effect, the energy and the entropy for the formation of a vacancy in pure aluminium were carefully determined from the measurement of quenched-in resistivities. The energy and the entropy thus obtained are 0.702±0.003 eV and 1.69±0.06 k , respectively. Free energies for the migration and the binding of a divacancy at temperatures 85±5°C were also determined from the initial decay rate on isothermal annealing of quenched-in resistivities, which are 0.43±0.02 eV and 0.14±0.02 eV, respectively.
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