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Proceedings Paper

Anomalous paramagnetic relaxation of cationic radicals in polycrystalline fullerites
Author(s): G. G. Fedoruk; V. F. Stelmakh
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Paper Abstract

The spin-lattice relaxation kinetics of radical cation C60+ in polycrystalline C60 has been studied at room temperature by two-pulse delayed nutation and nutational echo methods. It has been found that the kinetics is well described by a function exp(-a(root)t), as expected when the distribution of relaxation time of paramagnetic centers takes place. Our results suggest that oxygen molecules cause the observed kinetics. These molecules play role of fast-relaxing impurities and accelerate spin-lattice molecules cause the observed kinetics. These molecules play role of fast-relaxing impurities and accelerate spin-lattice relaxation of C60+ radicals. The earlier obtained peculiarities of C60+ radical relaxation in fullerites are discussed.

Paper Details

Date Published: 14 January 2000
PDF: 4 pages
Proc. SPIE 4061, IRQO '99: Quantum Optics, (14 January 2000); doi: 10.1117/12.375320
Show Author Affiliations
G. G. Fedoruk, Belarusian State Univ. (Belarus)
V. F. Stelmakh, Belarusian State Univ. (Belarus)


Published in SPIE Proceedings Vol. 4061:
IRQO '99: Quantum Optics

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