Toroidal magnetic states in molecular wheels: Interplay between isotropic exchange interactions and local magnetic anisotropy | Zendy

Alessandro Soncini | Zendy; Liviu F. Chibotaru | Zendy

Open Access

Toroidal magnetic states in molecular wheels: Interplay between isotropic exchange interactions and local magnetic anisotropy

Author(s) -

Alessandro Soncini,

Liviu F. Chibotaru

Publication year - 2008

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.77.220406

Subject(s) - condensed matter physics , anisotropy , isotropy , magnetization , toroid , magnetic anisotropy , magnetic moment , remanence , coupling (piping) , exchange interaction , physics , orientation (vector space) , materials science , magnetic field , ferromagnetism , quantum mechanics , geometry , plasma , mathematics , metallurgy

It is shown that magnetic quantum states characterized by a toroidal moment of the same order of magnitude as the routinely measured molecular magnetization can arise in molecular wheels from the interplay between isotropic exchange and on-site magnetic anisotropy. They represent the first example of noncollinear molecular Neel states whose coupling can be strongly quenched as function of the orientation of the local anisotropy axes.status: publishe

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