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Research methods - Neutron scattering
Activity is closely related to the Scattering Centre at the Ångström Laboratory (SCÅL) where there is work in most areas of neutron and X-ray scattering.
Of special relevance to activities in Materials Physics is the expertise in surface scattering and neutron reflection. Our group shares in the operation and use of the ADAM reflectometer at the ILL, Grenoble, France. This instrument is show in the picture to the right.
Neutron scattering
is conventionally used for crystallography (in particular for the location of hydrogen atoms in crystal lattices) and for determination of magnetic ordering and structure. For layered materials, neutron reflectivity gives detailed information on the ordering between magnetic moments in different layers.
A complementary area of expertise is small-angle neutron scattering (SANS). This is widely used to study nanostructures in the bulk. It is particularly exploited in the studies of soft matter.
Another speciality of the group is the study of energetic neutrons in so-called Compton scattering, which is used here for the study of extremely short-lived (10-15 s) quantum correlations between hydrogen atoms in metallic hydrides and other condensed media.
Materials Physics has access to several International neutron facilities such as ILL, ISIS and NIST for these purposes. The following page provides information about resources such as software as well as a catalogue of instruments (Neutron Reflection and Neutron Reflectometers).
Further Information on Neutron scattering
The group has close links to the Swedish Neutron Scattering Society (SNSS). The society home page provides a range of links to facilities and news in this area. Adrian Rennie is the current chairman of this society. Please contact him for further information.