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Dalton transactions (Cambridge, England : 2003)

Slow magnetic relaxation in a lanthanide helix chain compound [Dy(HNA)(NA)₂(NO₃)]n (HNA = nicotinic acid).


PMID 25732483

Abstract

A helix chain Dy(3+) compound, [Dy(HNA)(NA)2(NO3)]n (1, HNA = nicotinic acid), was synthesized under solvothermal conditions and fully characterized. The absolute configurations of the enantiomers in P6₁ and P6₅ space groups are characterized by single crystal X-ray diffraction and circular dichroism (CD). Magnetic studies reveal that compound 1 exhibits ferromagnetic interaction and slow magnetic relaxation at low temperatures with the energy barrier of 37 K under 900 Oe dc field.