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Materials Science

Theme III: Complex Spin Correlations

Our current research focuses on investigating the influence of topological and emergent spin correlations on physical properties.

We use diffuse neutron scattering to examine short-range magnetic order, combining it with magnetic 3D-DPDF analysis as well as reciprocal space modeling. Inelastic neutron scattering is used to probe magnetic excitations, and conventional neutron diffraction methods are employed to determine long-range ordered spin structures.

Magnetic diffuse scattering from Bi2(Fe,Ga)4O9 (a,b) was measured using CORELLI at the Spallation Neutron Source, and the results compared to intuitive calculations based on magnetic clusters (c,d) as well as reverse Monte Carlo modeling (e,d).