Structural studies of the effects of silver and gold on the YBaCuO superconducting films formed from layer structures
Journal Article
·
· J. Appl. Phys.; (United States)
Superconducting YBaCuO films have recently been formed using both Ag/Cu/BaO/Y/sub 2/O/sub 3//MgO and Au/Cu/BaO/Y/sub 2/O/sub 3//MgO structures, where MgO is the substrate. The addition of a silver layer in the starting structure improves the film resistances from those using the Cu/BaO/Y/sub 2/ O/sub 3/ /MgO structure, especially at lower annealing temperatures. This allows the formation of superconducting films between annealing temperatures of 750 and 900 /sup 0/C, all with an onset above 85 K. The transition into full superconductive state, however, broadens with decreasing annealing temperatures, with zero resistance between 80 and 60 K. This dependence on annealing temperatures is studied by x-ray diffraction, which shows the diminishing signals of the superconducting YBa/sub 2/ Cu/sub 3/ O/sub 7/ phase at reduced annealing temperatures. A study of the surface morphology provides further information regarding the roles of silver and gold on the superconducting films formed.
- Research Organization:
- IBM T. J. Watson Research Center, Yorktown Heights, New York 10598
- OSTI ID:
- 7202944
- Journal Information:
- J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 64:4; ISSN JAPIA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Effects of silver and gold on the YBaCuO superconducting thin films with the use of Ag/Cu/BaO/Y/sub 2/O/sub 3/ and Au/Cu/BaO/Y/sub 2/O/sub 3/ structures
Effect of silver on the water-degradation of YBaCuO superconducting films
Thin-film YBaCuO superconductors formed by Cu/BaO/Y/sub 2/O/sub 3/ layer structures
Journal Article
·
Sun Mar 13 23:00:00 EST 1988
· Appl. Phys. Lett.; (United States)
·
OSTI ID:5484708
Effect of silver on the water-degradation of YBaCuO superconducting films
Conference
·
Tue Jan 31 23:00:00 EST 1989
· AIP Conference Proceedings (American Institute of Physics); (USA)
·
OSTI ID:6904544
Thin-film YBaCuO superconductors formed by Cu/BaO/Y/sub 2/O/sub 3/ layer structures
Journal Article
·
Sun Jan 03 23:00:00 EST 1988
· Appl. Phys. Lett.; (United States)
·
OSTI ID:5619684
Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
420201 -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DATA
ELEMENTS
EXPERIMENTAL DATA
FABRICATION
GOLD
HIGH TEMPERATURE
INFORMATION
INTERFACES
JUNCTIONS
LAYERS
METALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SILVER
SUPERCONDUCTING JUNCTIONS
SURFACES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
VERY HIGH TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
420201 -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DATA
ELEMENTS
EXPERIMENTAL DATA
FABRICATION
GOLD
HIGH TEMPERATURE
INFORMATION
INTERFACES
JUNCTIONS
LAYERS
METALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SILVER
SUPERCONDUCTING JUNCTIONS
SURFACES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
VERY HIGH TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES