On the structural distortion in Rb3C60 and K3C60 revealed by 87Rb- and39K-NMR
β Scribed by M. Apostol; C. Goze; F. Rachdi; M. Mehring; J.E. Fischer
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 730 KB
- Volume
- 98
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
The electronic states in metallic alkali fullerides, K,C,, and Rb,C,, are studied in detail by cw-and pulsed-ESR. The ESR linewidth associated with conduction electrons varies substantially, depending sensitively on the alkali metals used. It is clearly revealed that the linewidth is homogeneous and
Rb K-edge EXAFS has been studied for K2RbC6o at 21 and 39 K and for KRb2C6o at 10 and 27 K. It is shown that the Rb + ions in K 2RbC60 occupy the center of the octahedral site, contrary to a previous report based on Rb K-edge EXAFS at room temperature that the Rb + ions are off-centered. It is also