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Updated: Apr 14, 2026
10:22
In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions
Published on: June 16, 2014
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Spin dynamics in RuIII-oxalate complexes: synthesis, characterization, and ab initio insights
Federico Mesa1, Carolina Pacheco1, Javier González-Platas2
1Universidad de la República, Facultad de Química, Área Química Inorgánica, Montevideo, Uruguay. rchiozzo@fq.edu.uy.
Dalton Transactions (Cambridge, England : 2003)
|April 13, 2026
Summary
New 1D coordination chains containing lanthanide ions were synthesized. Compounds 1 and 2 exhibit slow magnetic relaxation, while the dysprosium-containing chain does not show this behavior.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Magnetochemistry
Background:
- Lanthanide-based coordination polymers are of interest for their magnetic properties.
- Developing novel magnetic materials with tunable properties is an ongoing challenge.
Purpose of the Study:
- To synthesize and characterize new neutral 1D coordination chains incorporating lanthanide ions.
- To investigate the magnetic properties, specifically slow magnetic relaxation, of these novel compounds.
Main Methods:
- Self-assembly synthesis of 1D chains using lanthanide chlorides and a ruthenium-oxalate complex.
- Characterization of the synthesized compounds.
- Magnetic susceptibility measurements and analysis of magnetic relaxation behavior.
Main Results:
- Neutral 1D chains, [RuCl2(μ-ox)2Ln(H2O)x(dmf)4]n, were successfully synthesized for Ln = La and Dy.
- Compounds 1 and 2 (Ln = La) demonstrated field-induced slow magnetic relaxation.
- The slow magnetic relaxation in compounds 1 and 2 was found to be dominated by Raman processes.
- No slow magnetic relaxation behavior was observed for the dysprosium-containing chain.
Conclusions:
- The successful synthesis of lanthanide-containing 1D coordination chains was achieved.
- Field-induced slow magnetic relaxation was observed in specific lanthanide-containing compounds, attributed to Raman processes.
- The absence of slow magnetic relaxation in the Dy-containing chain suggests specific structural or electronic factors influencing magnetic dynamics.
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