Percolation-induced ferrimagnetism from vacancy order in [Gua]Mn1–xFe2x/3(HCOO)3 hybrid perovskites
Preprint
- 12 March 2024
- preprint
- Published by American Chemical Society (ACS) in ChemRxiv
Abstract
We report the magnetic behaviour of the hybrid perovskites [Gua]Mn1–xFe2x/3(HCOO)3 (0 <x 0.6. The behaviour is rationalised in terms of a simple microscopic model of percolation-induced ferrimagnetism. Monte Carlo simulations driven by this model reproduce the experimental dependence of magnetic susceptibility on x and show that, at intermediate compositions, domains of short-range vacancy order lead to the emergence of local magnetisation. Our results open up a new avenue for the design of multiferroic hybrid perovskites.Keywords
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Funding Information
- H2020 European Research Council (788144)
- Leverhulme Trust (RPG-2018-268)
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