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- Title
Anomalous magnetic properties of the complex (ET)[sub 2]C[sub 60].
- Authors
Demishev, S. V.; Pronin, A. A.; Sluchanko, N. E.; Weckhuysen, L.; Moshchalkov, V. V.; Spitsina, N. G.; Yagubskiı, É. B.
- Abstract
Investigations of the temperature dependences of the magnetic permeability and dielectric permittivity in the temperature range 4.2 K ≤ T ≤ 300 K and the field dependence of the magnetization M(B) in fields B≤50 T show that the magnetic properties of the complex (ET)[sub 2]C[sub 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)[sub 2]C[sub 60] is due to the diamagnetic properties of the C[sub 60] and ET molecules and to specific paramagnetic centers of the type C[sup -, sub 60], which possess an anomalously low g factor g ≈ 0.14. An experimentum crucis is proposed for checking the oxygen paramagnetic center model for pure C[sub 60] films.
- Subjects
CARBON; FULLERENES
- Publication
JETP Letters, 1999, Vol 69, Issue 10, p785
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.568091