Magnetic properties of the fullerene-based molecular complexes in strong magnetic field

Investigations of the temperature dependencies of the magnetic susceptibility in a temperature range 4.2 K< T <300 K and the field dependence of the magnetisation M( B) in fields up to B=50 T show that the magnetic properties of the C 60 molecular complexes and pure C 60 cannot be described on...

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Bibliographic Details
Published inPhysica. B, Condensed matter Vol. 294; pp. 324 - 327
Main Authors Demishev, S.V., Weckhuysen, L., Vanacken, J., Spitsina, N.G.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2001
Subjects
Anomalous paramagnetic centers
Fullerenes
Magnetic properties
75.20.Ck
Fullerenes
Anomalous paramagnetic centers
81.05.Tp
Magnetic properties
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Summary:Investigations of the temperature dependencies of the magnetic susceptibility in a temperature range 4.2 K< T <300 K and the field dependence of the magnetisation M( B) in fields up to B=50 T show that the magnetic properties of the C 60 molecular complexes and pure C 60 cannot be described on the basis of the standard model, which assumes that the paramagnetic oxygen impurity makes the dominant contribution. We will suggest that the magnetism in these solids originates from the diamagnetic C 60 molecules and possibly, the paramagnetism originates from C 60 − complexes which are characterised by an anomalously low g-factor | g|∼0.14.
ISSN:0921-4526
1873-2135
DOI:10.1016/S0921-4526(00)00669-4