Slow magnetic relaxation in a μ1,1′-azido cobalt(II) methylquinoline chain complex

Cyril Rajnák; Ľubor Dlháň; Ján Moncol; Ján Titiš; Roman Boča

doi:10.1039/C8DT03351J

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Slow magnetic relaxation in a μ_1,1′-azido cobalt(ii) methylquinoline chain complex†

Cyril Rajnák,

*^a Ľubor Dlháň,^b Ján Moncol,^b Ján Titiš

^a and Roman Boča^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Faculty of Natural Sciences, University of SS Cyril and Methodius, 91701 Trnava, Slovakia
E-mail: cyril.rajnak@ucm.sk

^b Institute of Inorganic Chemistry, FCHPT, Slovak University of Technology, 812 37 Bratislava, Slovakia

Abstract

A [Co(N₃)₂(mqu)] complex with a 1D chain architecture (mqu – 4-methylquinoline) displays the paramagnetic behaviour with a slight exchange interaction of antiferromagnetic nature among Co(II) centres. It shows slow magnetic relaxation with three distinct modes. The relaxation time strongly depends upon the applied external field. The slowest relaxation time refers to the low-frequency mode τ_LF = 1.6(2) s at B_DC = 0.8 T and T = 1.9 K.

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Article information

DOI: https://doi.org/10.1039/C8DT03351J
Article type: Paper
Submitted: 16 Aug 2018
Accepted: 01 Oct 2018
First published: 10 Oct 2018

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Dalton Trans., 2018,47, 15745-15750

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Slow magnetic relaxation in a μ_1,1′-azido cobalt(II) methylquinoline chain complex

C. Rajnák, Ľ. Dlháň, J. Moncol, J. Titiš and R. Boča, Dalton Trans., 2018, 47, 15745 DOI: 10.1039/C8DT03351J

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Dalton Transactions