Use of sol-gels in the application of ceramic oxide thin films
Thesis/Dissertation
·
OSTI ID:6366098
Metal oxide sol-gels were produced through a controlled hydrolysis-condensation reaction of the metal alkoxide in alcohol using nitric acid as a catalyst. In obtaining sols of niobia, tantala, and titania, increasing either the water content or the system concentration increased the rate of gelation. However, while a sufficient amount of nitric acid was required to promote the condensation of the metal oxide and inhibit the precipitation, increasing the amount of nitric acid beyond that point slowed the gelation rate. A sufficient excess of water also lead to precipitation. These systematic parameter investigations were used to obtain sols of bismuth oxide, germania, yttria, and zirconia. The single component sols were characterized and used to make thin films on silicon wafers. The single-component sols were used to make binary oxide sols - barium titanate, lithium niobate, and lithium tantalate. By altering the stoichiometric ratios of the constituent cations, different compounds were produced for dielectric characterization with an AC bridge circuit.
- Research Organization:
- Iowa State Univ. of Science and Technology, Ames (USA)
- OSTI ID:
- 6366098
- Country of Publication:
- United States
- Language:
- English
Similar Records
Use of sol-gels in the application of ceramic oxide thin films. [Ba titanate; Li niobate; Li tantalate]
Sol-gel strategies for pore size control of high-surface-area transition-metal oxide aerogels
The effects of solution chemistry on the sol-gel processing of lithium niobate
Technical Report
·
Sat Aug 01 00:00:00 EDT 1987
·
OSTI ID:6116313
Sol-gel strategies for pore size control of high-surface-area transition-metal oxide aerogels
Journal Article
·
Wed Jan 31 23:00:00 EST 1996
· Chemistry of Materials
·
OSTI ID:369913
The effects of solution chemistry on the sol-gel processing of lithium niobate
Journal Article
·
Sun Dec 31 23:00:00 EST 1989
· Ceramic Transactions; (United States)
·
OSTI ID:7018244
Related Subjects
36 MATERIALS SCIENCE
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
42 ENGINEERING
420800 -- Engineering-- Electronic Circuits & Devices-- (-1989)
BISMUTH COMPOUNDS
BISMUTH OXIDES
CHALCOGENIDES
COLLOIDS
DISPERSIONS
ELEMENTS
FILMS
GELATION
GERMANIUM COMPOUNDS
GERMANIUM OXIDES
NIOBIUM COMPOUNDS
NIOBIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PRECIPITATION
REFRACTORY METAL COMPOUNDS
SEMIMETALS
SEPARATION PROCESSES
SILICON
SOLS
SUBSTRATES
TANTALUM COMPOUNDS
TANTALUM OXIDES
THIN FILMS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
42 ENGINEERING
420800 -- Engineering-- Electronic Circuits & Devices-- (-1989)
BISMUTH COMPOUNDS
BISMUTH OXIDES
CHALCOGENIDES
COLLOIDS
DISPERSIONS
ELEMENTS
FILMS
GELATION
GERMANIUM COMPOUNDS
GERMANIUM OXIDES
NIOBIUM COMPOUNDS
NIOBIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PRECIPITATION
REFRACTORY METAL COMPOUNDS
SEMIMETALS
SEPARATION PROCESSES
SILICON
SOLS
SUBSTRATES
TANTALUM COMPOUNDS
TANTALUM OXIDES
THIN FILMS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES