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Paper detail

Current-Induced Switching of a Single-Molecule Magnet with Arbitrary Oriented Easy Axis

The main objective of this work is to investigate theoretically how tilting of an easy axis of a single-molecule magnet (SMM) from the orientation collinear with magnetic moments of the leads affects the switching process induced by current flowing through the system. To do this we consider a model system that consists of a SMM embedded in the nonmagnetic barrier of a magnetic tunnel junction. The anisotropy axis of the SMM forms an arbitrary angle with magnetic moments of the leads (the latter ones are assumed to be collinear). The reversal of the SMM's spin takes place due to exchange interaction between the molecule and electrons tunneling through the barrier. The current flowing through the system as well as the average z-component of the SMM's spin are calculated in the second-order perturbation description (Fermi golden rule).

preprint2007arXivOpen access
Maciej MisiornyJózef Barnas
cond-mat.mes-hallcond-mat.mtrl-sci
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Maciej MisiornyJózef Barnas

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