Neutron scattering study on Zn-doped YBa2Cu3O6+y system

H. Harashina, M. Kanada, H. Sasaki, K. Kodama, M. Sato, S. Shamoto, K. Kakurai, M. Nishi

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Abstract

Neutron scattering studies on a c-axis polarized B2u phonon and magnetic excitations of the YBa2Cu3-xZnxO6+y system were carried out. For YBa2Cu2.9Zn0.1O6.75, anomalies of the B2u mode related to the spin (pseudo) gap formation are insensitive to the Zn-doping. In the magnetic excitation spectra of YBa2Cu3O6+y samples which are close to the metal-insulator phase boundary, a gap-like structure can be seen at high temperatures, while at low temperatures the low energy spectral weights increase and the gap-like structure disappears. This suggests that the itinerant nature has an important role in the spin gap formation.

Original languageEnglish
Pages (from-to)1087-1089
Number of pages3
JournalJournal of Physics and Chemistry of Solids
Volume60
Issue number8
DOIs
Publication statusPublished - 1999
EventProceedings of the 1998 7th ISSP International Symposium Frontiers in Neutron Scattering Research (ISSP7) - Tokyo, Jpn
Duration: 1998 Nov 241998 Nov 27

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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