Increasing the operating temperatures of single-molecule magnets is crucial toward the goal of realizing their potential applications such as in high density information storage, molecular spintronics and magnetic refrigeration. The development of synthetic strategies that enable a rise of the thermal barrier to spin relaxation while concurrently suppressing undesirable alternative relaxation pathways such as quantum tunneling of the magnetization is essential. Lanthanides have been proven to be especially well-suited for the design of single-molecule magnets due to their large magnetic moments and high magnetic anisotropy that originate from strong spin-orbit coupling of the 4f orbitals. A particularly successful methodology to augment single-molecule magnet properties is to generate strong magnetic exchange coupling between lanthanide centers through the employment of radical-bridging ligands. If the magnetic exchange coupling is large enough then quantum tunneling of magnetization can be effectively suppressed. Here, we present the synthesis and reactivity of various radical-containing organometallic lanthanide single-molecule magnets.

High-performance organometallic lanthanide single-molecule magnets

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.