Spin-echo small-angle neutron scattering study of the domain structure of an Ni layer on a Cu substrate

Spin‐echo small‐angle neutron scattering (SESANS) is used to study the magnetic domain structure of an Ni layer electrodeposited onto a Cu substrate. The domain structure of the sample corresponds to the hard‐plane model, where the magnetization in the domains is directed perpendicular to the layer;...

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Bibliographic Details
Published in:Journal of applied crystallography 2007-04, Vol.40 (s1), p.s111-s115
Main Authors: Kraan, Wicher H., Zabenkin, Vladimir N., Grigoriev, Sergey V., Chetverikov, Yurii O., Rekveldt, M. Theo, Van Dijk, Niels
Format: Article
Language:English
Subjects:
Crystallography
hard-plane model
magnetic domains
Magnetic fields
Measurement techniques
Neutrons
Scattering
SESANS
spin-echo small-angle neutron scattering
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Summary:Spin‐echo small‐angle neutron scattering (SESANS) is used to study the magnetic domain structure of an Ni layer electrodeposited onto a Cu substrate. The domain structure of the sample corresponds to the hard‐plane model, where the magnetization in the domains is directed perpendicular to the layer; the domain length coincides with the thickness of the layer of the order of 10 µm and its width is of the order of 1 µm. The pair correlation function of the magnetization has been directly measured. It is established that the width of the domain depends linearly on its thickness. The domain structure does not depend on heating at temperatures below of nickel. Annealing at results in a reconstruction of the domain structure with a tendency to the easy‐plane model, i.e. with domain magnetization in the plane. The multiple scattering effect is studied and may be taken into account. This experiment demonstrates the possibilities of magnetic SESANS. Some aspects of this novel technique are pointed out.
ISSN:1600-5767
0021-8898
1600-5767
DOI:10.1107/S0021889807005249