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Magnetic susceptibility and magnetic resonance study of acceptor doped fullerenes C60(MF6)2 (M=As, Sb, P) |
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| Authors: | A.M. Panich I. Felner S. Goren W.R. Datars |
| Affiliation: | a Department of Physics, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 84105, Israel b Racah Institute of Physics, Hebrew University, Jerusalem 91904, Israel c Department of Physics and Astronomy, McMaster University, Hamilton, ON, Canada L8S 4M1 |
| Abstract: | In order to check whether superconductivity occurs in the acceptor doped fullerenes C60(MF6)2 (M=As, P, Sb) and to study their magnetic and structural properties, we have carried out magnetic, EPR and NMR measurements of these compounds. Temperature dependences of magnetic susceptibility down to 5 K and field dependences of magnetic moment at 5 K show no ‘bulk’ transition in superconducting state. Some reasons of the absence of superconductivity, such as insufficient charge transfer between C60 and intercalated species and inhomogeneity of the compounds under study, are discussed. |
| Keywords: | 61.48.+c 71.20.Tx 74.25.Ha 75.20.g 76.60.&minus k 81.05.Tp |
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