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TTF based charge transfer salts of M(NCS)(4)(C9H7N)(2) (-) where M = Cr, Fe and C9H7N = isoquinoline; observation of bulk ferrimagnetic order

Record type: Article

Three new charge transfer salts of BEDT-TTF and TTF with the counter ions [M(NCS)(4)(C9H7N)(2)](-) (M = Cr, Fe; C9H7N = isoquinoline) are described. The materials are prepared by standard electrocrystallisation techniques. The nature of the anion is verified in the crystal structure of the salt [C9H8N][Cr(NCS)(4)(C9H7N)]. C12H24O6. H2O which is used as the electrolyte when M = Cr. All of the charge transfer salts display long range ferrimagnetic order originating from the interaction between M (S = 3/2 or S = 5/2) and the donor (S = 1/2). The measured critical temperatures are 4.2 K (BEDT-TTF, M = Cr), 4.5 K (BEDT-TTF, M = Fe) and 8.9 K (TTF, M = Cr). Each of the compounds also shows a modest magnetic hysteresis of 338, 18 and 75 Oe for BEDT-TTF salts of M = Cr, Fe and the TTF salt of Cr, respectively.

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Citation

Turner, S. S., Michaut, C., Durot, S., Day, P., Gelbrich, T. and Hursthouse, M. B. (2000) TTF based charge transfer salts of M(NCS)(4)(C9H7N)(2) (-) where M = Cr, Fe and C9H7N = isoquinoline; observation of bulk ferrimagnetic order Dalton Transactions, (6), pp. 905-909. (doi:10.1039/a910259k).

More information

Published date: 2000
Keywords: molecular superconductor, anions, ions

Identifiers

Local EPrints ID: 18846
URI: http://eprints.soton.ac.uk/id/eprint/18846
ISSN: 1477-9226
PURE UUID: cfcf09ce-7c23-49f7-b442-6d09fe8d0499

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Date deposited: 20 Dec 2005
Last modified: 17 Jul 2017 16:34

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Contributors

Author: S. S. Turner
Author: C. Michaut
Author: S. Durot
Author: P. Day
Author: T. Gelbrich
Author: M. B. Hursthouse

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