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Oriented niobate ferroelectric thin films for electrical and optical devices and method of making such films

Patent ·
OSTI ID:871557
;

Sr.sub.x Ba.sub.1-x Nb.sub.2 O.sub.6, where x is greater than 0.25 and less than 0.75, and KNbO.sub.3 ferroelectric thin films metalorganic chemical vapor deposited on amorphous or crystalline substrate surfaces to provide a crystal axis of the film exhibiting a high dielectric susceptibility, electro-optic coefficient, and/or nonlinear optic coefficient oriented preferentially in a direction relative to a crystalline or amorphous substrate surface. Such films can be used in electronic, electro-optic, and frequency doubling components.

Research Organization:
Northwestern University, Evanston, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG02-85ER45209
Assignee:
Northwestern University (Evanston, IL)
Patent Number(s):
5,753,300
Application Number:
08/491,672
OSTI ID:
871557
Country of Publication:
United States
Language:
English

References (9)

Preparation of Strontium Barium Niobate by Sol-Gel Method journal June 1992
Sol-gel processing of strontium-barium niobate ferroelectric thin film journal May 1990
Growth of (001)-Oriented Sbn Thin Films by Solid Source MOCVD journal January 1993
Development And Modification Of Photorefractive Properties In The Tungsten Bronze Family Crystals journal May 1987
Chemical Vapor Deposition of Strontium-Barium-Niobate journal January 1991
Ferroelectric properties of thin strontium barium niobate films journal June 1985
Growth studies of ferroelectric oxide layers prepared by organometallic chemical vapor deposition journal January 1991
Nonlinear optical properties of textured strontium barium niobate thin films prepared by metalorganic chemical vapor deposition journal April 1995
Electro-Optic Materials by Solid Source MOCVD journal January 1993

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