Nuclear relaxation and Cu spin dynamics in YBa2Cu3O6+x

W. W. Warren, R. E. Walstedt, G. F. Brennert, R. F. Bell, G. P. Espinosa, R. J. Cava

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


We report the 63Cu NQR spectrum and nuclear relaxation rates for Cu(2) sites in 63Cu-enriched YBa2Cu3O6.64 (Tc ∼ 60 K). Nuclear spin-lattice relaxation rates exhibit a strong reduction of (T1T)-1 between 100 K and Tc. Cu(2) Knight shifts measured in a YBa2Cu3O6.7 sample of natural isotopic abundance are reduced substantially relative to YBa2Cu3O7.0 and show little change below Tc.

Original languageEnglish (US)
Pages (from-to)179-180
Number of pages2
JournalPhysica C: Superconductivity and its applications
Issue numberPART 1
StatePublished - Dec 1989
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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