The effect of periodic bending on the X-ray beam channeling

被引：1

作者：

Bobrova, TA ^{[1
]}

Ognev, LI ^{[1
]}

机构：

[1] State Sci Ctr Russian Federat, Kurchatov Inst Atom energy, Nucl Fus Inst, Moscow 123182, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2000年 / 26卷 / 12期

关键词：

Radiation; Numerical Modeling; Randomization Effect; Statistical Theory; Energy Dependence;

D O I：

10.1134/1.1337242

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The X-ray radiation passage through randomly arranged narrow (submicron) channels in a solid was studied by the method of numerical modeling taking into account the diffraction and reduced coherency effects. It was found that the X-ray transmission is markedly deteriorated in the channels subject to periodic deformation. The randomization effects are interpreted within the framework of the statistical theory of X-ray scattering in a rough transitional layer. An anomaly in the energy dependence of the X-ray transmission through a thin (1620 Angstrom) Cr/C/Cr channel observed for a 17 keV mode is explained by small periodic bending perturbations and related interferences in the structure. (C) 2000 MAIK "Nauka/Interperiodica".

引用

页码：1027 / 1028

页数：2

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