Isotropy in 13C Hyperfine Coupling in K3C60

Susumu Sasaki, Azusa Matsuda, C. W. Chu

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


We report on a study of carbon thirteen (13C) NMR spectra in a superconducting fulleride K3C60. It is found that the spectra are reproduced as powder patterns of anisotropic NMR shifts. By analyzing the NMR shifts, the ratio of isotropic hyperfine coupling (Aisospin) of conduction electrons to anisotropic one (Aaxspin) is obtained experimentally for the first time (Aisospin/Aaxspin = 0.78). The substantial isotropy is consistent with the crystal structure of the C60 molecule. The contribution of carbon pπ-orbitals to Aaxspin is found to be dominant.

Original languageEnglish
Pages (from-to)2389-2392
Number of pages4
JournalJournal of the Physical Society of Japan
Issue number8
Publication statusPublished - 1996

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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