Electric Field Controlled Magnetic Anisotropy in a Single Molecule
Zyazin, Alexander S. · Berg, Johan W. G. van den · Osorio, Edgar A. · van der Zant, Herre S. J. · Konstantinidis, Nikolaos P. · Leijnse, Martin · Wegewijs, Maarten R. · May, Falk · Hofstetter, Walter · Danieli, Chiara · Cornia, Andrea
Original · EN
We have measured quantum transport through an individual Fe₄ single-molecule magnet embedded in a three-terminal device geometry. The characteristic zero-field splittings of adjacent charge states and their magnetic field evolution are observed in inelastic tunneling spectroscopy. We demonstrate that the molecule retains its magnetic properties, and moreover, that the magnetic anisotropy is significantly enhanced by reversible electron addition / subtraction controlled with the gate voltage. Single-molecule magnetism can thus be electrically controlled.
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