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Solid State Dynamics of C60 And C70 Revealed by Carbon-13 NMR

Published online by Cambridge University Press:  28 February 2011

R. Tycko ,
G. Dabbagh ,
R. C. Haddon ,
D. C. Douglass ,
A. M. Mujsce ,
M. L. Kaplan  and
A. R. Kortan
R. Tycko
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave. Murray Hill, NJ 07974
G. Dabbagh
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave. Murray Hill, NJ 07974
R. C. Haddon
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave. Murray Hill, NJ 07974
D. C. Douglass
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave. Murray Hill, NJ 07974
A. M. Mujsce
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave. Murray Hill, NJ 07974
M. L. Kaplan
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave. Murray Hill, NJ 07974
A. R. Kortan
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave. Murray Hill, NJ 07974
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Abstract

Carbon-13 NMR spectra of powder samples of pure C60 and of a mixture of C60 and C70 provide information about molecular motions in the solid state. At room temperature, C60 molecules rotate rapidly and isotropically. The transition from a rapidly rotating to a stationary (on the time scale of the experiment) system occurs over a temperature range from 120 K to 60 K, suggesting a distribution of activation energies. C70 molecules also rotate rapidly at room temperature, but more anisotropically.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 206: Symposium G – Clusters and Cluster-Assembled Materials , 1990 , 703
Copyright
Copyright © Materials Research Society 1991

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References

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