On the Possibility of Two-Dimensional Focusing of Reflected X-Rays from Quartz Single Crystal in the Presence of External Temperature Gradient

被引：1

作者：

Kocharyan, V. R. ^{[1
,2
]}

Movsisyan, A. E. ^{[2
]}

Gogolev, A. S. ^{[1
]}

机构：

[1] Natl Res Tomsk Polytech Univ, Tomsk, Russia

[2] NAS Armenia, Inst Appl Problems Phys, Yerevan, Armenia

来源：

JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES | 2018年 / 53卷 / 03期

关键词：

X-ray; focusing; temperature gradient; quartz; DIFFRACTION; MODULATION; RADIATION;

D O I：

10.3103/S106833721803012X

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Laue reflection from a quartz single crystal was experimentally studied in the presence of temperature gradient applied perpendicularly to reflecting atomic planes (10 (1) over bar1), so that a two-dimensional bending of these planes occurs. It is shown that as a result of such an application of temperature gradient to a crystal, the two-dimensional focusing of reflected X-rays is obtained. With increasing temperature gradient the focus of X-rays approaches the crystal more rapidly in the plane of reflection than in the perpendicular one.

引用

页码：263 / 269

页数：7

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