Journal
JOURNAL OF APPLIED CRYSTALLOGRAPHY
Volume 40, Issue -, Pages S106-S110Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S0021889806052149
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Low-resolution small-angle neutron scattering measurements can benefit from polarized protons to generate scattering contrast profiles. In a recently developed technique, time-resolved polarized SANS tries to make use of spatial polarization gradients created around paramagnetic centres at the onset of dynamic nuclear polarization. The time constants which describe the build-up of polarization around the paramagnetic centre and the subsequent diffusion of polarization in the solvent were determined by analysing the temporal evolution of the nuclear polarization. The possible use and the limitations of this technique as a spectroscopic tool are discussed.
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