Sampson, Gavin, Bristowe, Nicholas C., Carr, Sam T., Saib, Asad, Stenning, Gavin B. G., Clark, Ewan R., Saines, Paul J. (2022) Quantum Spin‐ Dimers in a Low‐Dimensional Tetrabromocuprate Magnet. Chemistry – A European Journal, 28 . Article Number e202200855. ISSN 0947-6539. (doi:10.1002/chem.202200855) (KAR id:94990)
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Language: English DOI for this version (Do not enter information here. For Information Services repository administration use only).: 10.1002/chem.202200855
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Official URL: https://doi.org/10.1002/chem.202200855 |
Abstract
This work describes a homometallic spin ½ tetrabromocuprate adopting a bilayer structure. Magnetic susceptibility measurements show a broad maximum centered near 70 K, with fits to this data using a Heisenberg model consistent with strong antiferromagnetic coupling between neighboring Cu in different layers of the bilayer. There are further weak intralayer ferromagnetic interactions between Cu cations in neighboring dimers. First principles calculations are consistent with this but suggest there is only significant magnetic coupling within one direction of a layer; this would suggest the presence of a spin-ladder within the bilayer with antiferromagnetic rung and weaker ferromagnetic rail couplings.
Item Type: | Article |
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DOI/Identification number: | 10.1002/chem.202200855 |
Projects: | Low Dimensional Order in Magnetic Metal-Organic Frameworks |
Subjects: | Q Science |
Divisions: | Divisions > Division of Natural Sciences > Chemistry and Forensics |
Depositing User: | Paul Saines |
Date Deposited: | 11 May 2022 15:24 UTC |
Last Modified: | 01 Aug 2022 14:56 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/94990 (The current URI for this page, for reference purposes) |
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