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. 2014 Oct 13;20(42):13536-40.
doi: 10.1002/chem.201403042. Epub 2014 Aug 27.

The metallofullerene field-induced single-ion magnet HoSc2 N@C80

Jan Dreiser  1 , Rasmus Westerström, Yang Zhang, Alexey A Popov, Lothar Dunsch, Karl Krämer, Shi-Xia Liu, Silvio Decurtins, Thomas Greber
Affiliations

The metallofullerene field-induced single-ion magnet HoSc2 N@C80

Jan Dreiser et al. Chemistry. .

Abstract

The low-temperature magnetic properties of the endohedral metallofullerene HoSc2 N@C80 have been studied by superconducting quantum interference device (SQUID) magnetometry. Alternating current (ac) susceptibility measurements reveal that this molecule exhibits slow relaxation of magnetization in a small applied field with timescales in the order of milliseconds. The equilibrium magnetic properties of HoSc2 N@C80 indicate strong magnetic anisotropy. The large differences in magnetization relaxation times between the present compound and the previously investigated DySc2 N@C80 are discussed.

Keywords: endohedral fullerenes; holmium; lanthanides; magnetic anisotropy; single-ion magnets.

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