Enhancement of spin relaxation in an FeDy2Fe coordination cluster by magnetic fields

Peng, Guo, Mereacre, Valeriu, Kostakis, George E, Wolny, Juliusz A, Schünemann, Volker and Powell, Annie K (2014) Enhancement of spin relaxation in an FeDy2Fe coordination cluster by magnetic fields. Chemistry - A European Journal, 20 (39). pp. 12381-12384. ISSN 0947-6539

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Abstract

Two [FeLn2Fe(μ3-OH)2(teg)2(N3)2(C6H5COO)4] compounds (where Ln=YIII and DyIII; teg=triethylene glycol anion) have been synthesized and studied using SQUID and Mössbauer spectroscopy. The magnetic measurements on both compounds indicate dominant antiferromagnetic interactions between the metal centers. Analysis of the 57Fe Mössbauer spectra complement the ac magnetic susceptibility measurements, which show how a static magnetic field can quench the slow relaxation of magnetization generated by the anisotropic DyIII ions.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Subjects: Q Science > QD Chemistry
Depositing User: Tom Gittoes
Date Deposited: 10 Mar 2015 10:35
Last Modified: 10 Mar 2015 10:36
URI: http://sro.sussex.ac.uk/id/eprint/53294
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