| 摘要 |
PROBLEM TO BE SOLVED: To counteract the bending of the crystallization boundary and the loading on a single crystal by thermal stress in a more advantageous way.SOLUTION: There are disclosed a method and an apparatus for producing a single crystal by means of a floating zone method, wherein the single crystal crystallizes with the support of an induction heating coil below a melt zone at a crystallization boundary, and the emission of crystallization heat is impeded by a reflector surrounding the single crystal, which are characterized in that the single crystal is heated in the region of an outer edge of the crystallization boundary by means of a heating device in a first zone, wherein a distance &Dgr; between an outer triple point Ta at the outer edge of the crystallization boundary and a center Z of the crystallization boundary is influenced. |
