Insights into the molten salt synthesis of new honeycomb magnets
Honeycomb magnets have recently returned to prominence due to the prediction and discovery of Kitaev physics. Nevertheless, the family of candidate materials is limited. This is due to the requirement for particular heavy transition metal oxidation states. 10 years ago, we discovered a molten salt route to exchange the interlayer cations in Li2MO3 materials. This was demonstrated by converting Li2RuO3 to Ag3LiRu2O6, with a surprising change in magnetic properties. However, we currently have no idea of the active species present in the molten salt, and no idea how to tune e.g. stacking disorder. Here we propose the first in-situ neutron powder diffraction during this process. This will yield insights into the above problems, and may even yield routes to completely delaminate this important materials.
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Simon AJ Kimber; Thomas C. Hansen; HENRY Paul; MOUHTADI Siham and SZCZERBA Daniel. (2019). Insights into the molten salt synthesis of new honeycomb magnets. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-24-636
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