Title: Anomalous magnetic properties of the complex (ET)(2)C-60
Authors: Demishev, SV ×
Pronin, AA
Sluchanko, NE
Weckhuysen, Liesbet
Moshchalkov, Victor
Spitsina, NG
Yagubskii, EB #
Issue Date: 1999
Series Title: JETP letters vol:69 issue:10 pages:785-791
Conference: date:Russian Acad Sci, Inst Gen Phys, Moscow 117942, Russia; Katholieke Univ Leuven, Lab Vaste Stoffys & Magnetisme, B-3001 Louvain, Belgium; Russian Acad Sci, Inst Chem Phys, Chernogolovka 142432, Moscow Region, Russia
Abstract: Investigations of the temperature dependences of the magnetic permeability and dielectric permittivity in the temperature range 4.2 K less than or equal to T less than or equal to 300 K and the field dependence of the magnetization M(B) in fields B less than or equal to 50 T show that the magnetic properties of the complex (ET)(2)C-60 cannot be described on the basis of the standard model, which assumes that the paramagnetic oxygen impurity makes the dominant contribution. It is found that the magnetism in (ET)(2)C-60 is due to the diamagnetic properties of the C-60 and ET molecules and to specific paramagnetic centers of the type C-60(-), which possess an anomalously low g factor \g\approximate to 0.14. An experimentum crucis is proposed for checking the oxygen paramagnetic center model for pure C-60 films. (C) 1999 American Institute of Physics. [S0021-3640(99)01210-4].
ISSN: 0021-3640
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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