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Nmr Study in Sodium-Hydrogen-C60 Superconductor

Published online by Cambridge University Press:  10 February 2011

H. Ogata ,
S. Miyajima ,
K. Imaeda  and
H. Inokuchi
H. Ogata
Affiliation:
Institute for Molecular Science, Myodaiji, Okazaki, 444-8585 JAPAN, hogata@ims.ac.jp
S. Miyajima
Affiliation:
Institute for Molecular Science, Myodaiji, Okazaki, 444-8585 JAPAN, hogata@ims.ac.jp
K. Imaeda
Affiliation:
Institute for Molecular Science, Myodaiji, Okazaki, 444-8585 JAPAN, hogata@ims.ac.jp
H. Inokuchi
Affiliation:
Institute for Molecular Science, Myodaiji, Okazaki, 444-8585 JAPAN, hogata@ims.ac.jp
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Abstract

23Na and 1H NMR studies have been carried out for a NaxHyC60 superconductor The peak position of the 23Na NMR spectrum exhibits discontinuous upfield shift of 30 ppm at about 250 K, indicates a first order phase transition From the line shape of the 23Na spectrum obtained at 7 K, the quadrupole coupling constant tensor is evaluated to be |e2Qq/h|=3.7 MHz with the asymmetry parameter η = 0.95. The 1H NMR spectrum suggests an anionic hydrogen state with weakly delocalized nature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 513: Symposium H – Hydrogen in Semiconductors and Metals , 1998 , 419
Copyright
Copyright © Materials Research Society 1998

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References

REFERENCES

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