PROCEDURE FOR ENVIRONMENT OF AN ISKRYSTAL BY HELPING CRYSTALLIZING THE ISKRYSTALL FROM A MOVEMENT ZONE

摘要

A single crystal is grown in a float zone which is inductively heated and the crystallizing single crystal is rotated in a direction of rotation which is periodically reversed at intervals in accordance with an alternating plan, wherein a dwell time during which the single crystal is in a state of rest because of the reversal of the direction of rotation is limited to no more than 60 ms.