New type of dispersive sandwich monochromator for very high resolution neutron diffractometry

Mikula Pavol; Vrana Miroslav; Saroun Jan; Seong Baek S.; Woo Wanchuck; Em Vyacheslav

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New type of dispersive sandwich monochromator for very high resolution neutron diffractometry

机译：非常高分辨率中子衍射法的新型色散三明治单色器

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摘要

A new type of dispersive monochromator based on the double reflection process realized between two bent perfect crystal slabs attached in the form of a sandwich. The dispersive sandwich monochromator/analyzer provides a freedom to combine crystal slabs of different cuts i.e. different crystal reflections for the double diffraction process. By a suitable combination of two slabs, one can obtain a monochromatic neutron beam of a variety of neutron wavelengths in the thermal region. The resolution Delta lambda/lambda and the Delta alpha collimation depending on the bending radius of the sandwich can be easily changed in the range of about 1 x 10(-4) -1 x 10(-3).

机译：一种基于双反射过程的新型分散式单色仪，实现了三明治形式的两个弯曲的完美晶体板之间。分散式三明治单色仪/分析仪提供了组合不同切割的晶体板的自由度，即双衍射过程的不同晶体反射。通过两个板的合适组合，可以在热区域中获得各种中子波长的单色中子束。根据夹层的弯曲半径的分辨率Delta Lambda / Lambda和Deltaα准直可以容易地改变在约1×10（4）-1×10（-3）的范围内。

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来源
《Physica, B. Condensed Matter》 |2018年第2018期|共6页
作者
Mikula Pavol; Vrana Miroslav; Saroun Jan; Seong Baek S.; Woo Wanchuck; Em Vyacheslav;
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作者单位

ASCR Vvi Nucl Phys Inst Rez 25068 Czech Republic;

ASCR Vvi Nucl Phys Inst Rez 25068 Czech Republic;

ASCR Vvi Nucl Phys Inst Rez 25068 Czech Republic;

KAERI 1045 Daedok Daero Daejeon South Korea;

KAERI 1045 Daedok Daero Daejeon South Korea;

Kurchatov Inst Natl Res Ctr Moscow 123182 Russia;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
Neutron monochromator; Neutron diffraction; Bent perfect crystals;

机译：中子单色器;中子衍射;弯曲的完美晶体;

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专利

1. New type of dispersive sandwich monochromator for very high resolution neutron diffractometry [J] . Mikula Pavol, Vrana Miroslav, Saroun Jan, Physica, B. Condensed Matter . 2018,第期

机译：非常高分辨率中子衍射法的新型色散三明治单色器
2. Application of a stacked elastically bent perfect Si monochromator with identical and different crystallographic planes for single crystal and powder neutron diffractometry [J] . Tanaka I., Niimura N., Ahmed FU. Physica, B. Condensed Matter . 2000,第4期

机译：具有相同和不同晶面的堆叠弹性弯曲完美Si单色仪在单晶和粉末中子衍射法中的应用
3. Nano-structural studies on Fe_3O_4 particles dispersing in a magnetic fluid using X-ray diffractometry and small-angle neutron scattering [J] . Ahmad Taufiq, Sunaryono, Edy Giri Rachman Putra, Materials science forum . 2015,第期

机译：X射线衍射和小角中子散射法研究Fe_3O_4颗粒在磁性流体中的纳米结构研究
4. The use of dispersive double crystal monochromator - a way for high-resolution powder diffractometry [C] . P. Mikula, M. Vrana, Yong Nam Choi, European Conference on Residual Stresses . 2002

机译：分散双晶单色器的使用 - 一种高分辨率粉末衍射法的方法
5. Advanced Penning-type ion source development and passive beam focusing techniques for an associated particle imaging neutron generator with enhanced spatial resolution [D] . Sy, Amy Vong 2013

机译：先进的Penning型离子源开发和无源束聚焦技术，用于相关的具有空间分辨率的粒子成像中子发生器
6. Antibodies against the majority subunit of Type IV pili disperse nontypeable Haemophilus influenzae biofilms in a LuxS-dependent manner and confer therapeutic resolution of experimental otitis media [O] . Laura A. Novotny, Joseph A. Jurcisek, Michael O. Ward Jr., -1

机译：针对IV型菌毛多数亚基的抗体以LuxS依赖性方式分散不可分型的流感嗜血杆菌生物膜并赋予实验性中耳炎治疗分辨率
7. High-resolution powder diffractometry with a bent perfect crystal monochromators [O] . P. Mikula, M. Vrána, P. Lukáš, 1993

机译：高分辨率粉末衍射与弯曲的完美晶体单色器
8. Optimum Resolution in X-Ray Energy-Dispersive Diffractometry [R] . Buras, B., Staun Olsen, J., Niimura, N. 1977

机译：X射线能量色散衍射仪的最佳分辨率

New type of dispersive sandwich monochromator for very high resolution neutron diffractometry

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