Low temperature synthesis of alkali metal niobates and tantalate

Details Low temperature synthesis of alkali metal niobates and tantalate Low temperature synthesis of alkali metal niobates and tantalate

1990-10-01

1991-09-24

Bell, Janyce

Coating processes

Heat decomposition of applied coating or base material

423593, 423641, 427165, 427162, B05D 302, G01G 3300, G01G 3500

Patent

active

050512803

ABSTRACT:
A new synthetic method for the production of alkali metal niobates and tantalates is disclosed. The method involves the pyrolysis of a stoichiometric salt of an alkali metal and a niobium or tantalum complex of a bidentate or tridentate ligand. These salts are stable and, since the alkali metal and the niobioum or tantalum are already present in stoichiometric amounts, the resulting material comprises a substantially pure alkali metal niobate or tantalate.

REFERENCES:
patent: 3619235 (1971-11-01), Furuchi et al.
patent: 4037005 (1977-07-01), Phillips
patent: 4108970 (1978-08-01), Ballman et al.
patent: 4234557 (1980-11-01), Arendt et al.
patent: 4332579 (1982-06-01), Pastor et al.
patent: 4544176 (1985-11-01), Asano et al.

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