Analysis of small-angle neutron scattering from very dilute magnetic fluids

作者:Nagornyi A V*; Petrenko V I; Avdeev M V; Bulavin L A; Aksenov V L
来源:Journal of Surface Investigation-X-Ray Synchrotron and Neutron Techniques, 2010, 4(6): 976-981.
DOI:10.1134/S1027451010060169

摘要

The possibility to conduct the experiment on small-angle neutron scattering on very dilute magnetic fluids (the volume fraction of magnetite is similar to 0.1%) is discussed. The aim of these experiments is to determine the structural parameters of these fluids using the Guinier approximation. Primary attention is concentrated on the experimental observation of a nonmagnetic layer on the surfaces of magnetic nanoparticles dispersed in a liquid carrier. Significant parameters are determined, and conditions for the experiment on the contrast variation are chosen in model calculations.

  • 出版日期2010-11