The magnetic moment reduction of fullerene encapsulated gadolinium. A combined effect of spin-orbit interaction and anisotropic hybridisation

A. Mirone ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2005, vol. 47, issue 4, 509-515

Abstract: We propose a theoretical model to account for the recently observed magnetic moment reduction of gadolinium in fullerenes. While this reduction has been observed also for other trivalent rare-earth atoms (Dy 3+ , Er 3+ , Ho 3+ ) in fullerenes, and can be ascribed to crystal field effects, the explanation of this phenomena for Gd 3+ is not straightforward due to the spherical nature of its ground state (S=7/2, L=0). In our model the momentum reduction is the result of a subtle interplay between hybridisation and the spin-orbit interaction. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2005

Date: 2005
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DOI: 10.1140/epjb/e2005-00363-4

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