Korringa behavior for Cu(2) in YBa2Cu3O6.98

Y. Q. Song, M. Lee, N. Tea, F. D'Orazio, S. Bhattacharja, W. P. Halperin, J. Thiel, Kenneth R Poeppelmeier, U. Welp, G. W. Crabtree, M. M. Fang

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Abstract

The 63Cu NMR spin-lattice relaxation rate of YBa2Cu3O6.98 (Tc=93.3K) at the plane site shows classic Korringa temperature dependence in the normal state with T1T=230±20 Kms. This result is consistent with Fermi quasi-particle character of the low lying electronic excitations near the Fermi energy. Precursory behavior is observed just above Tc in the relaxation data. This may be consistent with order parameter fluctuations.

Original languageEnglish
Pages (from-to)1301-1302
Number of pages2
JournalPhysica B: Condensed Matter
Volume165-66
Issue number2
Publication statusPublished - Aug 1990

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ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Song, Y. Q., Lee, M., Tea, N., D'Orazio, F., Bhattacharja, S., Halperin, W. P., Thiel, J., Poeppelmeier, K. R., Welp, U., Crabtree, G. W., & Fang, M. M. (1990). Korringa behavior for Cu(2) in YBa2Cu3O6.98. Physica B: Condensed Matter, 165-66(2), 1301-1302.