Abstract
In situ transmission electron microscopy observations have been undertaken to explore the nucleation and grain growth behaviour of a sputter-deposited Fe 82Si 6B 12 metallic glass film. The results show that the α-Fe crystals nucleated in a steady state homogeneous way. The initial growth of α-Fe crystals was diffusion controlled. When the crystals began to collide with each other, a more complex mechanism of grain growth was found. The final morphologies of the α-Fe crystals depend strongly on the heating procedures. Low energy electron irradiation substantially affected the crystallization of the Fe 82Si 6B 12 metallic glass film.
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