Absorption characteristics of diffracted X-ray radiation in a quartz crystal at an external temperature gradient

被引：1

作者：

Margaryan, V. ^{[1
]}

Noreyan, S. ^{[1
]}

Mesropyan, M. ^{[1
]}

Trouni, K. ^{[1
]}

Aghabekyan, V. ^{[1
]}

Mirzoyan, R. ^{[1
]}

Kocharyan, V. ^{[1
]}

机构：

[1] Inst Appl Problems Phys NAS RA, Nersisyan 25, Yerevan 0014, Armenia

来源：

JOURNAL OF INSTRUMENTATION | 2024年 / 19卷 / 05期

关键词：

X-ray monochromators; X-ray transport and focusing; INTERFERENCE ABSORPTION;

D O I：

10.1088/1748-0221/19/05/C05044

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this work the dependence of the anomalous absorption of X-rays on the crystal thickness and temperature gradient value was studied. The refracted and reflected beams intensities, as well as their sum intensities were measured for crystal thicknesses in the range of 0.3-4.5 mm. Significant increase in the sum intensity of the refracted and reflected beams is observed in presence of temperature gradient. It is shown that the anomalous absorption in the crystal in presence of the temperature gradient is decreased and this effect is stronger expressed in thick crystals.

引用

页数：9

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