Thirty Meters Small Angle Neutron Scattering Instrument at China Advanced Research Reactor
writer：Hongxia Zhang; He Cheng;* Guangcui Yuan; Charles C. Han;* Li Zhang; Tianfu Li; Hongli Wang; Yunta
keywords：small angle neutron scattering
source：期刊
specific source：Nuclear Instruments & Methods in Physics Research Section A, 2014, 735, 490-495
Issue time：2013年
A high resolution 30 m
small angle neutron scattering (SANS) instrument has been constructed by the Institute of Chemistry, Chinese Academy of Sciences (ICCAS), and installed at
China Advanced Research Reactor (CARR). It is equipped with a mechanical
velocity selector, pinhole (including multi-pinhole) collimation system, sample
chamber, and high resolution two dimensional 3He position sensitive
neutron detector. The flexible variations of incident neutron wavelength,
source to sample distance, sample to detector distance and the presence of
neutron focusing lenses enable a wide Q range from 0.001 to 0.5 ?-1 in reciprocal space and to optimize the resolution
required. The instrument is the first SANS instrument in China, and can be
widely used for the structure characterization of various materials, as well as
kinetic and dynamic observation during external stimulation. The design and
characteristics of the instrument are presented in the manuscript.