The influence of vibration on microstructural uniformity during floating-zone crystal growth
1994
Abstract Previously, we have shown that temperature gradients can be smoothed, and thermocapillary convection suppressed, in a model half-zone of silicone oil and also in a float-zone of sodium nitrate, by inducing an opposing surface streaming flow through vibration of one of the supporting end-walls. In this work we demonstrate the effect of vibration in promoting uniform microstructures during the float-zoning of NaNO 3 -Ba(NO 3 ) 2 eutectic “alloys.”
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