Abstract
The present work deals with the results of measurements performed recently with the Cairo Fourier diffractometer facility (CFDF). The CFDF is based on the reverse time-of-flight (RTOF) method and is optimized for neutron diffraction measurements at scattering angle 2θ=90°. The CFDF performance is assessed and the main parameters are given. The neutron guide system attached to the CFDF provides a thermal neutron flux of ∼106n/cm2s at the sample position which is free from fast neutron and gamma-ray background. It has been found, from measurements with different powder samples, that this value of the thermal neutron flux is adequate for neutron diffraction measurements, at scattering angle 2θ = 90° and d-spacing values between 0.7 and 2.5 Å; with 0.52% resolution.
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