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Control of the magnetism and magnetic anisotropy of a single-molecule magnet with an electric field

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arxiv 1209.5453 v3 pith:E7UDXMWM submitted 2012-09-24 cond-mat.mtrl-sci

Control of the magnetism and magnetic anisotropy of a single-molecule magnet with an electric field

classification cond-mat.mtrl-sci
keywords electricfieldmagneticanisotropyexternalfepco-cualong
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Through systematics density functional calculations, the mechanism of the substrate induced spin reorientation transition in FePc/O-Cu(110) was explained in terms of charge transfer and rearrangement of Fe-d orbitals. Moreover, we found giant magnetoelectric effects in this system, manifested by the sensitive dependences of its magnetic moment and magnetic anisotropy energy on external electric field. In particular, the direction of magnetization of FePc/O-Cu(110) is switchable between in-plane and perpendicular axes, simply by applying an external electric field of 0.5 eV/{\AA} along the surface normal.

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