Abstract
Literature on gas bubble incorporation in growing crystals is reviewed. A theory for nucleation in dilute multicomponent gas solutions was derived. Combined with solute segregation equations, theories result for various forms of crystal growth. The tendency to form gas bubbles increases with increasing growth rate, decreasing stirring, increasing ambient gas pressure, and decreasing height of liquid over crystal. The liquid surface temperature is also an important variable. Homogeneous nucleation of bubbles was found to be possible for melt growth. Bubble formation in solution growth is most likely by heterogeneous nucleation on the crystal surface.
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