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Slow magnetic relaxation in a μ1,1'-azido cobalt(ii) methylquinoline chain complex
Cyril Rajnák1, Ľubor Dlháň, Ján Moncol
1Department of Chemistry, Faculty of Natural Sciences, University of SS Cyril and Methodius, 91701 Trnava, Slovakia. cyril.rajnak@ucm.sk.
Dalton Transactions (Cambridge, England : 2003)
|October 23, 2018
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 τLF = 1.6(2) s at BDC = 0.8 T and T = 1.9 K.