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Alkali Intercalated C_{60}: NMR and Magnetic Susceptibility Studies

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Rachdi F., Goze C., Reichenbach J., Lukyanchuk J., Kirova N., Zimmer G., Mehring M., Molinié P.

Acta Physica Polonica A

1995

vol. 87

issue 4-5

861-867

We report on ^{13}C NMR measurements on potassium intercalated C_{60} compounds. By using high resolution NMR technique we were able to characterize the different thermodynamically stable phases. The effects of the intercalation on the molecular dynamics as well as on the electronic properties will be discussed. We also performed the magnetic susceptibility measurements on Rb_{4}C_{60} compound, which reveal the activation temperature behavior with the activation energy about 1200 K. By comparison with the NMR and ESR data of the same sample we conclude that the additional electrons are localized on the C_{60} molecule and form the spin singlet ground state.

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1 Acta Physica Polonica A

1 1995

1 Goze C.

1 Kirova N.

1 Lukyanchuk J.

1 Mehring M.

1 Molinié P.

1 Rachdi F.

1 Reichenbach J.

1 Zimmer G.

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Alkali Intercalated C_{60}: NMR and Magnetic Susceptibility Studies