用X光衍射方法,测量了固态再结晶法生长的MCT单晶生长方向的衍射角2θ,近似计算出单晶生长方向的应变。MCT单晶的组份为x=0.214,生长方向分别为(111)(110)和(100)。初步实验的结果表明,固态再结晶法生长的MCT单晶生长方向的最大应变为10~(-4);其应变与MCT单晶的晶向没有明显的对应关系,而主要与生长工艺有关。 The X-ray diffraction method was used to measure the diffraction angle 2θ in the growth direction of the MCT single crystal grown by the solid state recrystallization method, and the strain in the growth direction of the single crystal was approximately calculated. The composition of the MCT single crystal is x = 0.214 and the growth directions are (111) (110) and (100), respectively. The results of preliminary experiments show that the maximum strain in the growth direction of MCT single crystal grown by solid state recrystallization is 10 ~ (-4) and its strain has no obvious correspondence with the crystal orientation of MCT single crystal, but mainly related to the growth process.