Abstract:

The magnetic properties of two series of trivalent rare earth (R 3+) molecular complexes with hydrazone ligands (R=Ce, Pr, Dy, Ho, Er), adopting different crystal structures, have been investigated by static susceptibility measurements. At high temperatures, the magnetic response is dominated by the paramagnetic contribution of R3+ ions determined by the crystal-field interaction. At low temperatures (T<4K), an antiferromagnetic deviation is observed, most pronounced for the series with the heavier R3+ ions. © 2004 Elsevier B.V. All rights reserved.

Notes:

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