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Thermal fluctuations of a metal atom on a C-60 surface - art. no. 011201

Authors

Dugourd, P Antoine, R Rayane, D Benichou, E Broyer, M

Citation

P. Dugourd et al., Thermal fluctuations of a metal atom on a C-60 surface - art. no. 011201, PHYS REV A, 6201(1), 2000, pp. 1201

Citations number

Categorie Soggetti

Physics

Journal title

PHYSICAL REVIEW A

ISSN journal

10502947 → ACNP

Volume

6201

Issue

Year of publication

2000

Database

ISI

SICI code

1050-2947(200007)6201:1<1201:TFOAMA>2.0.ZU;2-X

Abstract

Fluctuations of a rubidium atom on the surface of a fullerene cage have bee n observed by measuring the electric susceptibility of isolated RbC60 molec ules. The evolution of the susceptibility with the temperature is perfectly reproduced with a very simple statistical model of relaxation. The con ela tion time for these fluctuations and the activation energy (E-a = 0.02 eV) for the motion of the alkali-metal atom on the C-60 surface have been deter mined.