Upgrade of the small-angle neutron scattering diffractometer SANS-J at JRR-3

被引：19

作者：

Kumada, Takayuki ^{[1
,2
]}

Motokawa, Ryuhei ^{[1
]}

Oba, Yojiro ^{[1
,3
]}

Nakagawa, Hiroshi ^{[1
,2
]}

Sekine, Yurina ^{[1
]}

Micheau, Cyril ^{[1
]}

Ueda, Yuki ^{[1
]}

Sugita, Tsuyoshi ^{[1
]}

Birumachi, Atsushi ^{[1
]}

Sasaki, Miki ^{[1
]}

Hiroi, Kosuke ^{[2
]}

Iwase, Hiroki ^{[4
]}

机构：

[1] Japan Atom Energy Agcy, Mat Sci Res Ctr, Tokai, Ibaraki 3191195, Japan

[2] Japan Atom Energy Agcy, J PARC Ctr, Tokai, Ibaraki 3191195, Japan

[3] Toyohashi Univ Technol, Dept Mech Engn, Toyohashi, Aichi 4418580, Japan

[4] Comprehens Res Org Sci & Soc, Neutron Sci & Technol Ctr, Tokai, Ibaraki 3191106, Japan

来源：

JOURNAL OF APPLIED CRYSTALLOGRAPHY | 2023年 / 56卷

关键词：

small-angle neutron scattering instruments; SANS-J upgrade; wide-Q-range measurements; user-friendly GUI systems; DYNAMIC NUCLEAR-POLARIZATION; J-II; X-RAY; SPECTROMETER; INSTRUMENT; PERFORMANCE; SYSTEM; REACTOR;

D O I：

10.1107/S1600576723009731

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The small-angle neutron scattering diffractometer SANS-J at the research reactor JRR-3, Tokai, Japan has been upgraded. A He-3 front detector was installed adjacent to the direct beam just behind the sample position to cover scattering in the range 1.3-6 nm(-1) for the magnitude of the scattering vector Q. Additionally, the maximum Q covered by the existing main He-3 detector was extended to 1.8 nm(-1) by decreasing the minimum sample-to-detector distance. These modifications enabled gapless measurements of the scattering curve in the Q range 0.002-6 nm(-1) with three standard device layouts that can be changed within 10 min. A new graphical user interface simplifies the operation of the device layouts and data acquisition.

引用

页码：1776 / 1783

页数：8

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