Orthorhombic-tetragonal phase transition in LaBa/sub 2/Cu/sub 3/O/sub 7-//sub y/ with zero resistance at 92 K
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The orthorhombic-tetragonal phase transition in LaBa/sub 2/Cu/sub 3/O/sub 7-//sub y/ is studied under a O/sub 2/ gas atmosphere by thermogravimetry, differential thermal analysis, and differential scanning calorimetry. Our sample has good homogeneity and shows a sharp superconducting transition above 90 K. The determined transition temperature is 481 /sup 0/C at which the oxygen deficiency, y, is 0.13. The results are discussed together with the previously reported data concerning LBa/sub 2/Cu/sub 3/O/sub 7-//sub y/ (L: rare-earth element).
- Research Organization:
- Central Research Laboratory, Matsushita Electric Industrial Co. Ltd., Moriguchi, Osaka 570, Japan
- OSTI ID:
- 6824378
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 38:10; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
Similar Records
High transition temperature superconductor LaBa/sub 2/Cu/sub 3/O/sub 7/. sqrt. /sub y/ with zero resistance at 92 K
Synthesis of LaBa/sub 2/Cu/sub 3/O/sub 7-//sub y/ through tetragonal to orthorhombic phase transition at high oxygen deficiency
Simultaneous thermogravimetry and evolved-gas analysis of YBa sub 2 Cu sub 3 O sub 7 and LaBa sub 2 Cu sub 3 O sub 7 superconductors
Journal Article
·
Mon Jun 06 00:00:00 EDT 1988
· Appl. Phys. Lett.; (United States)
·
OSTI ID:5255494
Synthesis of LaBa/sub 2/Cu/sub 3/O/sub 7-//sub y/ through tetragonal to orthorhombic phase transition at high oxygen deficiency
Journal Article
·
Sun Nov 27 23:00:00 EST 1988
· Appl. Phys. Lett.; (United States)
·
OSTI ID:6749586
Simultaneous thermogravimetry and evolved-gas analysis of YBa sub 2 Cu sub 3 O sub 7 and LaBa sub 2 Cu sub 3 O sub 7 superconductors
Journal Article
·
Mon Jun 01 00:00:00 EDT 1992
· Journal of the American Ceramic Society; (United States)
·
OSTI ID:7297487
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
CRITICAL TEMPERATURE
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTAL-PHASE TRANSFORMATIONS
CUPRATES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SAMPLE PREPARATION
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TETRAGONAL LATTICES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION 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
CRITICAL TEMPERATURE
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTAL-PHASE TRANSFORMATIONS
CUPRATES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SAMPLE PREPARATION
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TETRAGONAL LATTICES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE