English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

The interplay of strong single-ion anisotropy and magnetic interactions oftengive rise to novel magnetic behavior and can provide additional routes forcontrolling magnetization dynamics. However, novel effects arising frominteractions between lanthanide and transition-metal ions are nowadays rarelyobserved. Herein, a {$Dy^{III}Cu^{II}_5$} 3d-4f single-molecule magnet (SMM) isconstructed as a rigid and planar [15-MC-5] metallacrown (MC), where the$Dy^{III}$ ion is trapped in the central pseudo-$D_{5h}$ pocket. A strong axialcrystal field (CF) imbues the $Dy^{III}$ ion with large Ising-type magneticanisotropy, and we are able to observe and model the magnetic interactionsbetween the $Cu^{II}-Cu^{II}$ and $Dy^{III}-Cu^{II}$ pairs. Butterfly-shapedmagnetic hysteresis shows clear steps at $\pm$0.4 T, coincident with levelcrossings in our model exchange Hamiltonian between the {$Cu^{II}_5$} and$Dy^{III}$ spin systems. Most intriguingly, this air-stable SMM exhibits threedistinct regimes in its magnetic relaxation dynamics, all clearly displaying anexponential dependence on temperature.

Triple Exponential Relaxation Dynamics in a Metallacrown-Based {$Dy^{III}Cu^{II}_5$} 3d-4f Single-Molecule Magnet