Cu NMR Study of Bilayer HgBa2CaCu2O6+δ. Variation of Pseudo Spin-Gap Spectrum

Yutaka Itoh, Ayako Tokiwa-Yamamoto, Takato Machi, Keiichi Tanabe

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Abstract

We observed the pseudo spin-gap behavior in the T-dependences of 63Cu Knight shift and NMR relaxation rates, as well as electrical resistivity, over a wide doping range for the bilayer high-Tc HgBa2CaCu2O6+δ using 63Cu NMR spin-echo technique. We found a difference in the doping dependence of the pseudo spin-gap behavior between HgBa2CaCu2O6+δ and the previous monolayer HgBa2CuO4+δ. The results indicate that the pseudo spin-gap behavior strongly depends on the underlying electronic states.

Original languageEnglish
Pages (from-to)2212-2214
Number of pages3
JournalJournal of the Physical Society of Japan
Volume67
Issue number7
DOIs
Publication statusPublished - 1998 Jan 1

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Keywords

  • HgBaCaCuO
  • NMR
  • bilayer cuprate
  • high T cuprate
  • pseudo spin-gap

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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