DETERMINATION OF THE STATIC SCALING EXPONENT OF SELF-AFFINE INTERFACES BY NONSPECULAR X-RAY-SCATTERING

被引：75
作者：
SALDITT, T
METZGER, TH
BRANDT, C
KLEMRADT, U
PEISL, J
机构：
[1] Sektion Physik, Ludwig-Maximilians-Universität München, 80539 München
来源：
PHYSICAL REVIEW B | 1995年 / 51卷 / 09期
关键词：
D O I：
10.1103/PhysRevB.51.5617
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We discuss the conditions that have to be met in a nonspecular x-ray experiment to extract the static scaling behavior of a self-affine surface independently of a special height-height correlation function chosen to model the data. It is shown that this task requires a sufficiently large parallel momentum transfer of the scattering vector. In this respect, various scattering geometries are compared, and an analytical approximation to the structure factor on the relevant range of the scattering vector is proposed. The validity of the approximation is checked numerically. © 1995 The American Physical Society.
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页码：5617 / 5627
页数：11
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