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Pressure induced enhancement of the magnetic ordering temperature in rhenium(IV) monomers

Lookup NU author(s): Professor Mike ProbertORCiD



This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Materials that demonstrate long-range magnetic order are synonymous with information storage and the electronics industry, with the phenomenon commonly associated with metals, metal alloys or metal oxides and sulfides. A lesser known family of magnetically ordered complexes are the monometallic compounds of highly anisotropic d-block transition metals; the 'transformation' from isolated zero-dimensional molecule to ordered, spin-canted, three-dimensional lattice being the result of through-space interactions arising from the combination of large magnetic anisotropy and spin-delocalization from metal to ligand which induces important intermolecular contacts. Here we report the effect of pressure on two such mononuclear rhenium(IV) compounds that exhibit long-range magnetic order under ambient conditions via a spin canting mechanism, with T-c controlled by the strength of the intermolecular interactions. As these are determined by intermolecular distance, 'squeezing' the molecules closer together generates remarkable enhancements in ordering temperatures, with a linear dependence of T-c with pressure.

Publication metadata

Author(s): Woodall CH, Craig GA, Prescimone A, Misek M, Cano J, Faus J, Probert MR, Parsons S, Moggach S, Martinez-Lillo J, Murrie M, Kamenev KV, Brechin EK

Publication type: Article

Publication status: Published

Journal: Nature Communications

Year: 2016

Volume: 7

Online publication date: 21/12/2016

Acceptance date: 07/11/2016

Date deposited: 13/02/2017

ISSN (print): 2041-1723

Publisher: Nature Publishing Group


DOI: 10.1038/ncomms13870


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Funder referenceFunder name
CTQ2013-44844-PSpanish Ministerio de Economia y Competitividad
MDM-2015-0538Spanish Ministerio de Economia y Competitividad
ISIC/2012/002Generalitat Valenciana
PROMETEO/2014/070Generalitat Valenciana