Small angle scattering for the analysis of magnetic surface states with variation in material anisotropy
We propose a SANS experiment using polarisation analysis to investigate the effect of magnetic anisotropy on the surface structure of several nano-ferromagnetic systems. This will be done in order to correct current magnetic analysis techniques for determining particle volumes in order to make them viable within an industrial setting. Nickel and Cobalt nano-crystallites on an alumina support were prepared at the Johnson-Matthey, Sonning Common site. In order to confirm the surfaces magnetic configuration we will require the use of the polarised 3He spin filter on the d22 instrument, a spin flipper and incident polarised neutrons. Analysis of any material or particle size dependence on the surface configuration will allow for a more general application of magnetic analysis techniques within the chemical industries.
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PAUL Donald Mckenzie; COOK Robert; DEWHURST Charles and Martin R Lees. (2013). Small angle scattering for the analysis of magnetic surface states with variation in material anisotropy. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-32-790
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