Published June 1, 1989 | Version v1
Journal article

Gadolinium interaction in GdBa2Cu3O/sub y/ compounds

  • 1. Institute of Physics, University of Tsukuba, Tsukuba, Ibaraki 305, Japan
  • 2. Institute of Materials Science, University of Tsukuba, Tsukuba, Ibaraki 305, Japan
  • 3. Institute of Physics, University ofp Tsukuba, Tsukuba, Ibaraki 305, Japan (Japan)

Description

In Gd/sub x/Y/sub 1-x/Ba2Cu3O/sub y/ compounds having different oxygen contents (6.0<y<7.0), electron-spin-resonance spectra for gadolinium spins are observed. The linewidths are proportional to the square root of the gadolinium concentration, x. The gadolinium dipole-dipole interaction is dominant in these compounds. The temperature dependence of the spectra is measured down to 3.8 K. Below 20 K, a broadening of the linewidth is observed for nonsuperconducting GdBa2Cu3O/sub y/ compounds (6.1<y<6.4). The broadening has no oxygen concentration dependence. Different g values are observed first in the compounds having different oxygen contents, y. The interactions among gadolinium ions are discussed

Additional details

Publishing Information

Journal Title
Physical Review, B: Condensed Matter
Journal Volume
39
Journal Issue
16
Series
Phys. Rev., B: Condens. Matter.
Journal Page Range
12283-12285
ISSN
0163-1829
CODEN
PRBMD