Superconductivity and phase stability in the heavy rare earth quaternary compounds RBa/sub 2/Cu/sub 3/O/sub 7/ (R = Ho, Er, Tm, Yb, Lu)
Conference
·
OSTI ID:5619890
Phase stabiliy and superconducting properties of heavy rare earth compounds RBa/sub 2/Cu/sub 3/O/sub 7/ (R = Ho, Er, Tm, Yb, Lu) were studied and found to be unstable above 950/sup 0/C. Transition temperatures depend heavily on starting materials, thermal history, oxygen content and the interpretation of the data. Magnetic rare earth ions have little effect on the transition temperature. However, these magnetic compounds should order magnetically, probably in the mK range. 10 refs., 4 figs., 1 tab.
- Research Organization:
- Ames Lab., IA (USA); Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016; W-7405-ENG-82
- OSTI ID:
- 5619890
- Report Number(s):
- BNL-40481; CONF-870438-38; ON: DE88003478
- 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
DIAGRAMS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ERBIUM COMPOUNDS
ERBIUM OXIDES
HOLMIUM COMPOUNDS
HOLMIUM OXIDES
LATTICE PARAMETERS
LUTETIUM COMPOUNDS
LUTETIUM OXIDES
MAGNETIZATION
OXIDES
OXYGEN COMPOUNDS
PHASE DIAGRAMS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
THULIUM COMPOUNDS
THULIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
YTTERBIUM COMPOUNDS
YTTERBIUM OXIDES
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
DIAGRAMS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ERBIUM COMPOUNDS
ERBIUM OXIDES
HOLMIUM COMPOUNDS
HOLMIUM OXIDES
LATTICE PARAMETERS
LUTETIUM COMPOUNDS
LUTETIUM OXIDES
MAGNETIZATION
OXIDES
OXYGEN COMPOUNDS
PHASE DIAGRAMS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
THULIUM COMPOUNDS
THULIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
YTTERBIUM COMPOUNDS
YTTERBIUM OXIDES