A study has been made of the migration of double positioning boundaries during continuous growth of (111) gold films inside an electron microscope. The boundary mobility is shown to be temperature dependent and the results indicate that double positioning boundary migration is a thermally activated process. The influence of rate of coalescence of deposit islands and of deposition rate on the size of double positioning domain structures in (111) gold films is discussed and the conclusions are extended to other multiply positioned and polycrystalline structures formed by vacuum evaporation.
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Stowell et al. (1966) studied this question.
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