Wavelength dependence of the incoherent contribution to the total scattering in hydrogenous materials (containing 1H)
As a result of our previous experiments on D3, it is now demonstrated that the incoherent contribution to the total scattering from liquid water (as a prototype hydrogenous material) can be determined precisely at various H2O/D2O compositions by polarised neutron diffraction. A major area of application of this information would be the correction of non-polarised neutron diffraction data for hydrogenous samples. In order to confirm that this can be done for any neutron diffractometer (with an arbitrarily varying wavelength) by using D3 data, it must first be established if the incoherent contribution is strictly wavelength-independent (i.e., strictly Q-dependent). For this purpose, we propose polarised neutron diffraction experiments on liquid water samples containing 100, 64 and 0 % H2O at two additional wavelengths, 0.4 and 0.8 A, using the D3 instrument at the ILL.
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PUSZTAI Laszlo; CUELLO Gabriel and STUNAULT Anne. (2015). Wavelength dependence of the incoherent contribution to the total scattering in hydrogenous materials (containing 1H). Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-20-39
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