Unusual slow magnetic relaxation in a mononuclear copper(II) complex.

Dušan Valigura Cyril Rajnák Ján Titiš Ján Moncol'Alina Bieńko Roman Boča

Published in: Dalton transactions (Cambridge, England : 2003) (2022)

A hexacoordinate Cu(II) complex with the {CuO 4 O'N} donor set shows an intermolecular π-π stacking owing to which a 1D-chain structure is formed. The DC magnetic data at low temperature are consistent with the Curie law. The AC susceptibility shows a field supported slow magnetic relaxation that survives up to 7 K. The relaxation time at T = 2.0 K and B DC = 0.2 T is τ = 0.23 ms and it increases at B DC = 0.6 T to τ = 2.9 ms.

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