2010
DOI: 10.1021/nl1009603
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Electric Field Controlled Magnetic Anisotropy in a Single Molecule

Abstract: We have measured quantum transport through an individual Fe(4) 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 ma… Show more

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Cited by 190 publications
(251 citation statements)
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“…Magnetic features of individual molecules have been observed and reported for Fe 4 [44,45], TbPc 2 [46], and organic radicals [47]. An open question here is how the charge current from the leads perturbs the magnetic state of the molecule.…”
Section: Molecular Quantum Spintronicsmentioning
confidence: 96%
“…Magnetic features of individual molecules have been observed and reported for Fe 4 [44,45], TbPc 2 [46], and organic radicals [47]. An open question here is how the charge current from the leads perturbs the magnetic state of the molecule.…”
Section: Molecular Quantum Spintronicsmentioning
confidence: 96%
“…∆(B = 0) is then obtained by extrapolating high-B values of ∆ to B = 0 T. Samples A and B were previously reported in Ref. 7 . Sample G was reported in Ref.…”
Section: Gate Spectroscopy: Axial Magnetic Anisotropymentioning
confidence: 99%
“…We consider here approximate master equation approaches, which were also used to interpret transport experimental data in the regime of weak coupling to the environment [23,24,25]. In particular, we address the so-called Pauli master equation [6,26,27], the first-order Redfield approach [6,28,29], the first/second-order von Neumann approaches [19,30], and a particular form of the Lindblad equation [31,32], and apply these methods for tunneling models, where the quantum dots can have arbitrary Coulomb interactions [33].…”
Section: Introductionmentioning
confidence: 99%