Wet chemical techniques for passivation of YBa sub 2 Cu sub 3 O sub 7 minus x
- Center for Space Microelectronics Technology, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA (USA)
Wet chemical techniques are described for treatment of YBa{sub 2}Cu{sub 3}O{sub 7{minus}{ital x}} surfaces, resulting in the formation of native compounds with little or no reactivity to water. Promising native compounds include CuI, BaSO{sub 4}, CuS, Cu{sub 2}S, YF{sub 3}, and the oxalates. Formation of surface layers on chemically-treated YBa{sub 2}Cu{sub 3}O{sub 7{minus}{ital x}} films in which these nonreactive native compounds are major constituents is verified with x-ray photoelectron spectroscopy (XPS). No significant changes are observed in the spectra when the sulfide, sulfate, or oxalate films are dipped in water, while the iodide and fluoride films show evidence of reaction with water.
- OSTI ID:
- 6793723
- Report Number(s):
- CONF-891092--
- Journal Information:
- AIP Conference Proceedings (American Institute of Physics); (USA), Journal Name: AIP Conference Proceedings (American Institute of Physics); (USA) Vol. 199:1; ISSN 0094-243X; ISSN APCPC
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
CORROSION PROTECTION
ELECTRON SPECTROSCOPY
ETCHING
FILMS
HIGH-TC SUPERCONDUCTORS
OXIDES
OXYGEN COMPOUNDS
PASSIVATION
PHOTOELECTRON SPECTROSCOPY
SPECTROSCOPY
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
SURFACE FINISHING
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES