Reports

Organic Molecular Soft Ferromagnetism in a FullereneC60

Science  19 Jul 1991:
Vol. 253, Issue 5017, pp. 301-302
DOI: 10.1126/science.253.5017.301

Abstract

The properties of an organic molecular ferromagnet [C60TDAE0.86; TDAE is tetrakis(dimethylamino)ethylene] with a Curie temperature ;Tc = 16.1 kelvin are described. The ferromagnetic state shows no remanence, and the temperature dependence of the magnetization below ;Tc does not follow the behavior expected of a conventional ferromagnet. These results are interpreted as a reflection of a three-dimensional system leading to a soft ferromagnet.

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