NONLINEAR EQUATIONS FOR X-RAY CRYSTAL ORIENTATION

被引：4
|
作者：
DRAGOI, D
机构：
[1] ICPMS, Bucharest
来源：
JOURNAL OF APPLIED CRYSTALLOGRAPHY | 1992年 / 25卷 / pt 1期
关键词：
Mathematical Techniques--Iterative Methods - X-Rays--Diffraction;
D O I：
10.1107/S0021889891008488
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Nonlinear equations are given for determining the crystallographic orientation of surfaces of single crystals. The equations are solved by an iterative method in several variables. The angle-phi between the surface plane and the lattice plane in question is decomposed into two components alpha and beta. These two components are obtained from the solution of a nonlinear system of equations using two measurements and the Bragg angle. The diffractometric system considered is the well known theta/2-theta with a sufficiently large area of X-ray detection and the capability of holding single-crystal samples. The results obtained are discussed from experimental and theoretical points of view.
引用
收藏
页码：6 / 10
页数：5
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