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arxiv: 1004.3912 · v2 · submitted 2010-04-22 · ⚛️ physics.chem-ph · cond-mat.other

Electron paramagnetic resonance study of ErSc2NC80

Rizvi Rahman , Archana Tiwari , Geraldine Dantelle , John J. L. Morton , Kyriakos Porfyrakis , Arzhang Ardavan , Klaus-Peter Dinse , G. Andrew D. Briggs This is my paper
classification ⚛️ physics.chem-ph cond-mat.other
keywords cageersc2nclusterelectroninsideparamagneticrearrangementresonance
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We present an electron paramagnetic resonance (EPR) study of ErSc2N@C80 fullerene in which there are two Er3+ sites corresponding to two different configurations of the ErSc2N cluster inside the C80 cage. For each configuration, the EPR spectrum is characterized by a strong anisotropy of the g factors (gx,y = 2.9, gz = 13.0 and gx,y = 5.3, gz = 10.9). Illumination within the cage absorption range (<600 nm) induces a rearrangement of the ErSc2N cluster inside the cage. We follow the temporal dependence of this rearrangement phenomenologically under various conditions.

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