Magnetic excitations in high-Tc metal-organic magnets
Permanent magnets are essential components in many green energy technologies, e.g. in wind turbines or in motors in electrical vehicles. Metal-organic (MO) magnets, networks of metal ions coordinated to organic ligands which have magnetic properties, have shown promising prospects in the development of the next generation of permanent magnets. We propose to investigate two similar MO magnets: One which have recently broken the record for both critical temperature and coercivity, as well as a simpler compound from which the first one is derived. Our objective is to determine the exchange couplings within the 2D coordination networks of chromium and pyrazine in these compounds using INS. We also seek to identify or prelude the role of inter-layer coupling and to identify the effect on the spin-orbit coupling caused by the difference in oxidation state between the two compounds (Cr(II) vs. Cr(III)). Our results will guide coordination chemists in their further development of MO magnets for industrial applications.
The data is currently only available to download if you are a member of the proposal team.
The recommended format for citing this dataset in a research publication is in the following format:
BAKER Michael; Rasmus Tang Christiansen; RODOLPHE CLERAC; FAK Bjorn; FRANCESCHETTO Giacomo and OLLIVIER Jacques. (2021). Magnetic excitations in high-Tc metal-organic magnets. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-06-19
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