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

被引：6
|
作者：
Itoh, S [1 ]
Kamiyama, T
Furusaka, M
Ikeda, S
机构：
[1] High Energy Accelerator Res Org, Inst Sci Mat, Neutron Sci Lab, Tsukuba, Ibaraki 305, Japan
[2] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 305, Japan
来源：
PHYSICA B | 1997年 / 241卷
关键词：
neutron guide tube; supermirror;
D O I：
10.1016/S0921-4526(97)00515-2
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
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 (similar to 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. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：79 / 81
页数：3
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