Dynamical theory of X-ray diffraction by multilayered structures with microdefects

被引：10
|
作者：
Molodkin, V. B. [1 ]
Olikhovskii, S. I. [1 ]
Kislovskii, E. N. [1 ]
Fodchuk, I. M. [1 ]
Skakunova, E. S. [1 ]
Pervak, E. V. [1 ]
Molodkin, V. V. [1 ]
机构：
[1] NASU, GV Kurdyumov Inst Met Phys, UA-03680 Kiev, Ukraine
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2007年 / 204卷 / 08期
关键词：
D O I：
10.1002/pssa.200675686
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dynamical recurrence relation for amplitudes of coherent waves in the multilayered structure with Coulomb-type defects (2D and 3D defects or microdefects) has been derived and the expression for the diffuse component of reflection coefficient of this structure has been obtained with account for the dynamical redistribution of intensities of transmitted and diffracted coherent waves in each layer. The derived formulas, which self-consistently take into account both the diffuse scattering contribution to the diffracted intensity and its extinction due to diffuse scattering, have been applied to analyze the rocking curve of InGaAs/GaAs multilayered structure with quantum well. Layer thicknesses and chemical compositions as well as strains and concentration profiles of chemical elements in layers have been found. Additionally, characteristics of dislocation loops in the substrate of the multilayered structure have been determined. (D 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2606 / 2612
页数：7
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