Abstract
A precision hydrostatic differential method for measuring small density differences of solid bodies was used to determine the activation energy of vacancy formation and migration in quenched gold. The values were found to beEf=0·76 eV, andEm=0·51 eV.Ef is substantially lower than the well established value 0·96 eV, whereasEm is close to the value 0·56 eV determined by Jeannette and Machlin for oxygen-free gold.
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