Supermirror neutron guide tube on Sirius, the high resolution powder diffractometer at KENS

被引：0
|
作者：
Itoh, S. [1 ]
Kamiyama, T. [1 ]
Furusaka, M. [1 ]
Ikeda, S. [1 ]
机构：
[1] High Energy Accelerator Research, Organization, Tsukuba, Japan
来源：
Physica B: Condensed Matter | 1997年 / 241-243卷
关键词：
Diffractometers - Mirrors - Neutron reflection - Nickel;
D O I：
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学科分类号：
摘要：
A neutron guide tube was mounted on Sirius, the high-resolution powder diffractometer newly installed at Neutron Science Laboratory (KENS) at High Energy Accelerator Research Organization (KEK), and its performance was investigated. A NiC/Ti supermirror with the critical wave number triple of that of natural nickel was employed for the guide tube coating in order to utilize shorter wavelengths (approx. 1 angstrom) required on the powder diffractometry. The wavelength-dependent intensity gain is observed, which enhances the performance of Sirius over the powder diffractometer already existing at KENS without a guide tube.
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页码：79 / 81
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