POLYTYPISM OF VAPOR-GROWN PBI2 CRYSTALS

被引：1

作者：

JAIN, A ^{[1
]}

TRIGUNAYAT, GC ^{[1
]}

机构：

[1] UNIV DELHI,DEPT PHYS & ASTROPHYS,DELHI 110007,INDIA

来源：

ZEITSCHRIFT FUR KRISTALLOGRAPHIE | 1995年 / 210卷 / 03期

关键词：

VAPOR GROWTH; POLYTYPISM;

D O I：

10.1524/zkri.1995.210.3.212

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Pure single crystals of lead iodide have been grown from vapor and characterised by X-ray diffraction for their polytypism and related phenomena. The theoretical estimation of the Jackson's alpha-factor and the surface micrographs of the crystals, coupled with the results of X-ray diffraction, indicate crystal growth by two-dimensional nucleation. Comparison of the experimental results with the earlier ones on gel-grown and melt-grown crystals reveals an obvious influence of the impurities on polytype formation, besides confirming the high purity of the vapor-grown crystals.

引用

页码：212 / 214

页数：3

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