Studies on the magnetic ground state of a spin Möbius strip

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Newton, Graham and Hoshino, Norihisa and Matsumoto, Takuto and Shiga, Takuya and Nakano, Motohiro and Nojiri, Hiroyuki and Furukawa, Yuji and Oshio, Hiroki (2016) Studies on the magnetic ground state of a spin Möbius strip. Chemistry - a European Journal, 22 (40). pp. 14205-14212. ISSN 1521-3765

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Abstract

Here we report the synthesis, structure and detailed characterisation of three n-membered oxovanadium rings, Nan[(V=O)nNan(H2O)n(α, β, or γ-CD)2]⋅mH2O (n = 6, 7, or 8), prepared by the reactions of (V=O)SO4⋅xH2O with α, β, or γ-cyclodextrins(CDs) and NaOH in water. Their alternating heterometallic vanadium/sodium cyclic core structures were sandwiched between two CD moieties such that O-Na-O groups separated neighbouring vanadyl ions. Antiferromagnetic interactions between the S = ½ vanadyl ions led to S = 0 ground states for the even-membered rings, but to two quasi-degenerate S = ½ states for the spin-frustrated heptanuclear cluster.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/809420
Additional Information: This is the peer reviewed version of the following article: G. N. Newton, N. Hoshino, T. Matsumoto, T. Shiga, M. Nakano, H. Nojiri, W. Wernsdorfer, Y. Furukawa, H. Oshio, Chem. Eur. J. 2016, 22, 14205. which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/chem.201602439/full This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Chemistry
Identification Number: https://doi.org/10.1002/chem.201602439
Depositing User: Bramwell, Roseanna
Date Deposited: 22 Jul 2016 07:49
Last Modified: 04 May 2020 18:09
URI: http://eprints.nottingham.ac.uk/id/eprint/35253

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