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Issue 30, 2014
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Cryogenic magneto-caloric effect and magneto-structural correlations in carboxylate-bridged Gd(iii) compounds

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Abstract

Two new infinite coordination chain compounds [Gd(CH3CO2)3(dmf)] (1) and {[Gd(HO(CH2)3CO2)3(H2O)]·H2O} (2) have been obtained attempting to modify a prototype molecular cooler. The structures of both compounds as determined by single-crystal X-ray diffraction are reported, together with a detailed study of their magnetic and thermal properties, describing for both compounds a large magneto-caloric effect. The dominant ferromagnetic interaction present in 2 clearly favours this material at low applied magnetic fields, with respect to 1 that exhibits antiferromagnetic interactions. Magneto-structural correlations of the sign and strength of the magnetic interactions are derived for carboxylato-bridged Gd(III) systems.

Graphical abstract: Cryogenic magneto-caloric effect and magneto-structural correlations in carboxylate-bridged Gd(iii) compounds

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Supplementary files

Article information


Submitted
07 Mar 2014
Accepted
17 Apr 2014
First published
19 May 2014

Dalton Trans., 2014,43, 11502-11509
Article type
Paper

Cryogenic magneto-caloric effect and magneto-structural correlations in carboxylate-bridged Gd(III) compounds

O. Roubeau, G. Lorusso, S. J. Teat and M. Evangelisti, Dalton Trans., 2014, 43, 11502
DOI: 10.1039/C4DT00697F

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