Performance of the High Resolution Fourier Diffractometer at the IBR-2 Pulsed Reactor

Abstract

The first neutron Fourier diffractometer at the pulsed neutron source, the High Resolution Fourier Diffractometer (HRFD), is described. The HRFD combines both high neutron flux at the sample position, ∼10⁷n/cm²/s, provided by the IBR-2 high flux pulsed reactor, and high resolution, very close to 0.001, over a wide range of d-spacings. The paper deals with the basic principles of HRFD, its design, and performance. Examples of structural experiments are also given.

Keywords

neutron Fourier diffractometer high resolution powder diffraction pulsed neutron source

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