Preparation and substrate reactions of superconducting Y-Ba-Cu-O films
Journal Article
·
· Appl. Phys. Lett.; (United States)
Multiple metal-target dc magnetron sputter deposition of a metallic YBa/sub 2/Cu/sub 3/ alloy in pure Ar followed by ex situ oxygen annealing was used to prepare superconducting films on various substrates. This work particularly examines film-substrate reactions which are degrading to superconductivity. Better superconductors were obtained using predeposited buffer layers, notably on cubic zirconia and MgO substrates covered with Ag and Nb. Best films have T/sub c/ = 80 K, metallic resistivities with resistance ratioapprox. >2, and critical current density approx. <10 kA cm/sup -2/ at 4.2 K. Normal-state resistivity measurements were made for O/sub 2/ furnace temperatures up to 850 /sup 0/C. Procedures for lithographically patterning these films are also described.
- Research Organization:
- AT and T Bell Laboratories, Murray Hill, New Jersey 07974
- OSTI ID:
- 6231062
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 51:13; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Epitaxial Y-Ba-Cu-O thin films on MgO deposited by high-pressure reactive magnetron sputtering
Low-temperature deposition of Y-Ba-Cu-O films on a CaF/sub 2//GaAs substrate
Preparation of Y-Ba-Cu-O thin films on MgO by dc magnetron sputtering from a stoichiometric Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-//sub delta/ target
Journal Article
·
Sun Oct 01 00:00:00 EDT 1989
· Journal of Applied Physics; (USA)
·
OSTI ID:5574815
Low-temperature deposition of Y-Ba-Cu-O films on a CaF/sub 2//GaAs substrate
Journal Article
·
Sun Jan 22 23:00:00 EST 1989
· Appl. Phys. Lett.; (United States)
·
OSTI ID:6617157
Preparation of Y-Ba-Cu-O thin films on MgO by dc magnetron sputtering from a stoichiometric Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-//sub delta/ target
Journal Article
·
Mon Oct 12 00:00:00 EDT 1987
· Appl. Phys. Lett.; (United States)
·
OSTI ID:6255178
Related Subjects
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COATINGS
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
DATA
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELEMENTS
EXPERIMENTAL DATA
FILMS
HEAT TREATMENTS
INFORMATION
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
METALS
NIOBIUM
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SILVER
SPUTTERING
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
VAPOR DEPOSITED COATINGS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COATINGS
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
DATA
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELEMENTS
EXPERIMENTAL DATA
FILMS
HEAT TREATMENTS
INFORMATION
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
METALS
NIOBIUM
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SILVER
SPUTTERING
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
VAPOR DEPOSITED COATINGS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES