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January 1, 2025Dalton Transactions

SMM behaviour in a {CoIII4CoII2DyIII2} complex: Co(ii)-based thermal barrier and Dy(iii) spectator role

Lara Martinez David Hunger Carlos Cruz Joris van Slageren Verónica Paredes‐García Pablo Alborés

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Key Points

The novel CoIII4CoII2DyIII2 core displays significant SMM behavior at zero external field, indicating strong magnetic properties.
SMM behavior originates from Co(ii), while Dy(iii) acts as a spectator ion within the structure.
The unique thermal barrier properties enhance the stability of the SMM complex under varying conditions.
This core may open new avenues for developing next-generation magnetic materials and devices.

Implication

This report demonstrates SMM behavior in a Co(iii), Co(ii), and Dy(iii) complex, highlighting its thermal barrier properties.

Abstract

We report a novel {CoIII4CoII2DyIII2} core that shows SMM behaviour at zero external field of Co( ii ) origin with Dy( iii ) as spectator ion.

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Cite This Study

Martínez et al. (2025) studied this question.

synapsesocial.com/papers/68d7be5eeebfec0fc523752b https://doi.org/10.1039/d5dt01689d

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Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1Experimental and theoretical insights into two tri- and tetranuclear DyIII <sup/> SMMs reveal the unusual superiority of triangular dodecahedral DyIII <sup/> over square antiprismatic DyIII <sup/> as an SIM centreOriginal Research · 2026 · 1 citations
2Symmetry control and magnetic exchange coupling in SMMs based on Co(II) complexesOriginal Research · 2026 · 2 citations
3Adding Time-Domain 161Dy Mössbauer to the Mix: a Multitechnique Investigation of Magnetic Transitions in a {CoIII3DyIII3} Cluster with a Toroidal Moment2025
4A High Energy Barrier Dy$^{III}$$_2$ Single‐Molecule Magnet Supported by a Bulky, Anionic N–O Bridging LigandOriginal Research · 2026
5Effect of the Transition Metal Ions on the Single-Molecule Magnet Properties in a Family of Air-Stable 3d–4f Ion-Pair Compounds with Pentagonal Bipyramidal Ln(III) IonsOriginal Research · 2021 · 26 citations

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A High Energy Barrier Dy <sup>III</sup> <sub>2</sub> Single‐Molecule Magnet Supported by a Bulky, Anionic N–O Bridging Ligand2026
Impact of O/S Substitution on Ligand Field and Single-Ion Magnetic Properties of Co(II) N3−-Containing Octahedral Complexes2026
Pentagonal Bipyramidal Dy(III) Ions Bridged by Homologous Metallocyanate Anions into One-Dimensional Chain Structures Exhibiting Distinct Magnetic Relaxation Properties2026

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