@misc{avdeev_smallangle_neutron_2009, 
author={Avdeev, M.V., Dubois, E., Meriguet, G., Wandersman, E., Haramus, V., Feoktystov, A.V., Perzynski, R.},
title={Small-angle neutron scattering analysis of a waterbased magnetic fluid with charge stabilization: contrast variation and scattering of polarized neutrons},
year={2009},
howpublished = {journal article},
doi = {https://doi.org/10.1107/S0021889809036826},
abstract = {The almost homogeneous character of the nanoparticles with respect to the nuclear scattering length density makes it possible to separate information about their characteristic nuclear and magnetic radii. Polarized neutrons are then used to separate and analyze independently the nuclear and magnetic scattering contributions for the fully magnetized fluid. Both methods reveal a significant excess of the apparent nuclear size over the magnetic one, which is explained by a difference in the nonmagnetic and magnetic interactions in the system. The results indicate that from the viewpoint of magnetic interaction the studied fluid behaves under a magnetic field as a purely superparamagnetic system of independent particles. The magnetic scattering length density of the maghemite nanoparticles is found to be ~25% less than the bulk value, which is in agreement with the data of the magnetization analysis.},
note = {Online available at: \url{https://doi.org/10.1107/S0021889809036826} (DOI). Avdeev, M.; Dubois, E.; Meriguet, G.; Wandersman, E.; Haramus, V.; Feoktystov, A.; Perzynski, R.: Small-angle neutron scattering analysis of a waterbased magnetic fluid with charge stabilization: contrast variation and scattering of polarized neutrons. Journal of Applied Crystallography. 2009. vol. 42, 1009-1019. DOI: 10.1107/S0021889809036826}}