Magnetoelectric effect in mixed-valence V12 cages is driven mainly by relocation of itinerant electrons, is strongly anisotropic, valence-state dependent, and detectable at room temperature.
Spin-Electric Coupling in Molecular Magnets
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abstract
We study the triangular antiferromagnet Cu$_3$ in external electric fields, using symmetry group arguments and a Hubbard model approach. We identify a spin-electric coupling caused by an interplay between spin exchange, spin-orbit interaction, and the chirality of the underlying spin texture of the molecular magnet. This coupling allows for the electric control of the spin (qubit) states, e.g. by using an STM tip or a microwave cavity. We propose an experimental test for identifying molecular magnets exhibiting spin-electric effects.
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2025 1verdicts
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Magnetoelectric effect in the mixed valence polyoxovanadate cage V$_{12}$
Magnetoelectric effect in mixed-valence V12 cages is driven mainly by relocation of itinerant electrons, is strongly anisotropic, valence-state dependent, and detectable at room temperature.