Gadolinium interaction in GdBa/sub 2/Cu/sub 3/O/sub /ital y// compounds
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
In Gd/sub /ital x//Y/sub 1/minus//ital x//Ba/sub 2/Cu/sub 3/O/sub /ital y// compounds having different oxygen contents (6.0/lt//ital y//lt/7.0), electron-spin-resonance spectra for gadolinium spins are observed. The linewidths are proportional to the square root of the gadolinium concentration, /ital 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 GdBa/sub 2/Cu/sub 3/O/sub /ital y// compounds (6.1/lt//ital y//lt/6.4). The broadening has no oxygen concentration dependence. Different /ital g/ values are observed first in the compounds having different oxygen contents, /ital y/. The interactions among gadolinium ions are discussed.
- Research Organization:
- Institute of Physics, University ofp Tsukuba, Tsukuba, Ibaraki 305, Japan(JP); Institute of Materials Science, University of Tsukuba, Tsukuba, Ibaraki 305, Japan; Institute of Physics, University of Tsukuba, Tsukuba, Ibaraki 305, Japan
- OSTI ID:
- 6225788
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 39:16; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRON SPIN RESONANCE
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
LINE WIDTHS
MAGNETIC RESONANCE
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
RESONANCE
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRON SPIN RESONANCE
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
LINE WIDTHS
MAGNETIC RESONANCE
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
RESONANCE
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE