A small-angle neutron scattering cell for the study of supercritical fluids at elevated pressure and high temperature: A study of heavy water

被引：12

作者：

Bonetti, M ^{[1
]}

Ambroise, JP

Calmettes, P

机构：

[1] CEA Saclay, Serv Phys Etat Condense, F-91191 Gif Sur Yvette, France

[2] CEA Saclay, Lab Leon Brillouin, CNRS, CEA, F-91191 Gif Sur Yvette, France

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1999年 / 70卷 / 10期

关键词：

D O I：

10.1063/1.1150027

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The main characteristics of a cell optimized for small-angle neutron scattering experiments on supercritical fluids are presented. The cell operates satisfactorily at pressures up to 300 bar at 400 degrees C and 750 bar at 90 degrees C. It has large apertures sealed by thick synthetic sapphire windows. The maximum forward scattering angle is 16 degrees and the sample path length is 5.1 mm. It has been used to study scattering from supercritical heavy water close to its critical point at wave number transfers up to 0.34 Angstrom(-1). (C) 1999 American Institute of Physics. [S0034-6748(99)01510-5].

引用

页码：4015 / 4019

页数：5

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