Preparation of superconducting YBa/sub 2/Cu/sub 3/Ox thin films by oxygen annealing of multilayer metal films

Technical Report · Mon Sep 14 00:00:00 EDT 1987

OSTI ID:5373148

Tsaur, B Y; Dilorio, M S; Strauss, A J

Superconducting thin films consisting perdominantly of yttrium barium copper oxide have been prepared by oxygen annealing of metal films formed by using electron-beam evaporation to deposit a three-layer sequence of Cu, Ba, and Y in nominally stoichiometric proportions, then repeating the sequence five times. For the best superconducting films, which were prepared on yttria-stabilized cubic zirconia substrates, the onset of superconductivity occurred at 94 K and zero resistivity was observed at 72 K. For the best films prepared on sapphire substrates, the corresponding temperatures were 95 and 40 K.

• Research Organization: Massachusetts Inst. of Tech., Lexington (USA). Lincoln Lab.
• OSTI ID: 5373148
• Report Number(s): AD-A-187547/5/XAB; JA-6021
• Resource Relation: Other Information: Pub. in Applied Physics Letter, Vol. 51, No. 11, 858-860(14 Sep 1987)
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BARIUM OXIDES
SUPERCONDUCTIVITY
COPPER OXIDES
YTTRIUM OXIDES
ZIRCONIUM OXIDES
SUBSTRATES
ANNEALING
ELECTRON BEAMS
EVAPORATION
HIGH TEMPERATURE
LAYERS
SAPPHIRE
STOICHIOMETRY
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
THIN FILMS
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BARIUM COMPOUNDS
BEAMS
CHALCOGENIDES
COPPER COMPOUNDS
CORUNDUM
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FILMS
HEAT TREATMENTS
LEPTON BEAMS
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PARTICLE BEAMS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
ZIRCONIUM COMPOUNDS
360603* - Materials- Properties