Abstract
Single crystals of Bi-Sb alloys were grown by a modified Czochralski method. Ultrasonic vibrations at a frequency of 0.65, 2.5 or 5 MHz were introduced into the melt, and their effect on crystal growth was investigated by observing striations in the crystals. A strong decrease in density of the growth striations in crystals pulled with ultrasonic vibrations was found.
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