High frequency electron spin resonance in Er<sub>m</sub>@C<sub>2n</sub>
- Boonman, M.
- van Loosdrecht, P.
- Bethune, D.
- Holleman, I.
- Meijer, G.
- van Bentum, P.
DOIAbstract
High-field electron spin resonance experiments have been performed on an Er fullerene extract, containing about 1% endohedral Er fullerenes (Erm@C82). The ESR spectra of (Erm@C82) show two resonances, which we propose to originate from the (Er@C82) molecules, one resonance from an unpaired electron on the fullerene cage and one from the Er3+ 4f electrons
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