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
收藏
页码：1027 / 1028
页数：2
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