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 Polarized Transport Through a Single-Molecule Magnet: Current-Induced Magnetic Switching
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abstract
Magnetic switching of a single-molecule magnet (SMM) due to spin-polarized current is investigated theoretically. The charge transfer between the electrodes takes place via the lowest unoccupied molecular orbital (LUMO) of the SMM. Generally, the double occupancy of the LUMO level, and a finite on-site Coulomb repulsion, is taken into account. Owing to the exchange interaction between electrons in the LUMO level and the SMM's spin, the latter can be reversed. The perturbation approach (Fermi golden rule) is applied to calculate current-voltage characteristics. The influence of Coulomb interactions on the switching process is also analyzed.
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cond-mat.mes-hall 1years
2025 1verdicts
UNVERDICTED 1representative citing papers
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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.