Magnetic Switching of a Single Molecular Magnet due to Spin-Polarized Current

Abstract

Magnetic switching of a single molecular magnet (SMM) due to spin-polarized current flowing between ferromagnetic metallic electrodes is investigated theoretically. Magnetic moments of the electrodes are assumed to be collinear and parallel to the magnetic easy axis of the molecule. Electrons tunneling through a barrier between magnetic leads are coupled to the SMM via exchange interaction. The current flowing through the system as well as the spin relaxation times of the SMM are calculated from the Fermi golden rule. It is shown that spin of the SMM can be reversed by applying a voltage between the two magnetic electrodes. Moreover, the switching is reflected in the corresponding current-voltage characteristics.

5 pages, 4 figures, final version as published

References in corpus (4)

• Signatures of Molecular Magnetism in Single-Molecule Transport Spectroscopy
• Transport through anisotropic magnetic molecules with partially ferromagnetic leads: Spin-charge conversion and negative differential conductance
• Spin transport through a single self-assembled InAs quantum dot with ferromagnetic leads
• Effect of intrinsic spin relaxation on the spin-dependent cotunneling transport through quantum dots

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