Cu-NQR study on single crystals Sr14-xCaxCu24O41 with x = 0-11.5

S. Ohsugi, Y. Kitaoka, T. Nagata, H. Fujino, J. Akimitsu

Research output: Contribution to journalArticlepeer-review


Cu-nuclear quadrupole resonance (NQR) measurements have been performed on single crystals Sr14-x Cax Cu24 O41 (Cax) with x = 0-11.5, in order to clarify the relation between the magnetic order around x = 11.5 and local environments at the Cu sites upon x. Cu-NQR frequency vQ for the ladders at 4.2 K increases linearly with increasing x, whereas vQ for the nonmagnetic Zhang-Rice (ZR) sites in the chains does not. Detailed site assignment of the spectra, which are different from those in the previous paper, is presented.

Original languageEnglish
Pages (from-to)747-751
Number of pages5
JournalJournal of Low Temperature Physics
Issue number3-4
Publication statusPublished - May 2003
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics


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