Effect of Fe on the superconductivity of the Ba-Y-Cu oxide system

Journal Article · Mon Aug 01 04:00:00 EDT 1988 · Phys. Rev. B: Condens. Matter; (United States)

DOI:https://doi.org/10.1103/PhysRevB.38.2486· OSTI ID:6866144

Zhao, B R; Shi, Y H; Zhao, Y Y; Li, L

We have substitute copper with iron in high-T/sub c/ Ba/sub 2/YCu/sub 3/O/sub 7-//sub delta/ and formed Ba/sub 2/YCu/sub 3(1-//sub x//sub )/Fe/sub 3//sub x/O/sub 7-//sub delta/. It is found that T/sub c/ decreases with an increase of the Fe concentration, and the superconductivity is destroyed at x = 0.15. X-ray diffraction analysis shows that the material has an orthorhombic perovskite structure with larger lattice parameters and smaller ..delta..(a-b) than Ba/sub 2/YCu/sub 3/O/sub 7-//sub delta/. Magnetic measurements show that the doped samples possess considerable paramagnetism. The effect of Fe on the superconductivity of Ba/sub 2/YCu/sub 3/O/sub 7-//sub delta/ is discussed in detail.

• Research Organization: Institute of Physics, Chinese Academy of Sciences, P.O. Box 603, Beijing, China
• OSTI ID: 6866144
• Journal Information: Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 38:4; ISSN PRBMD
• Country of Publication: United States
• Language: English

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
CRYSTAL DOPING
CRYSTAL STRUCTURE
DATA
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
INFORMATION
IRON COMPOUNDS
IRON OXIDES
MAGNETISM
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PARAMAGNETISM
PHYSICAL PROPERTIES
QUANTITY RATIO
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES