In some magnetic materials, the topology of the lattice creates a situation where conventional magnetic phase transitions are suppressed allowing new phases to emerge. These systems are often termed frustrated magnets and display a strong coupling between the structural and magnetic properties. In such materials, it is often the case that spatially localized defects can occur in a uniform phase. Such topological defects can sometimes be controlled using magnetic or electric fields. The project aims to study the properties of such defects using neutron scattering which is sensitive to both magnetic and structural degrees of freedom. The work involves the growth of single crystals and the study of these using low temperature techniques and neutron scattering at large scale facilities. The results will be compared to model calculations.
- Dr Christopher Stock (School of Physics & Astronomy, University of Edinburgh)
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