Method for producing double metal oxide powder

Details Method for producing double metal oxide powder Method for producing double metal oxide powder

1995-11-30

1998-12-08

Lander, Ferris

Chemistry of inorganic compounds

Rare earth compound

423593, 423594, 423596, 423600, C01F 1700

Patent

active

058465057

ABSTRACT:
A method for producing a double metal oxide of the general formula: XMO.sub.3 in which X is Li, Na, K, Pb, Ba, Mg, Ca, Sr, La, Y or Bi, and M is Al, Mn, Ti, Zr, Sn, Mg, Zn, Fe, Co, Ni, Nb, Ta or W, which has a narrow particle size distribution and contains few agglomerates, by calcining a mixture of a simple oxide of metal X and a simple oxide of metal M; amorphous double metal oxide particles comprising X and M or their mixture; or metal oxide precursors which are converted to said simple metal oxides or said double metal oxide, in the presence of iodine or hydrogen iodide.

REFERENCES:
Twu, et al., "Preparation of Bulk and Supported Perovskites", Properties and Applications of Perovskite-Type Oxides, vol. 50, 1993 Basel (CH), pp. 1-23, no month.
Derwent abstract of Jap. Pub., "Production of Superconductor", JP-A-63195116, (1988), no month.
Ceramic Transactions, vol. 22, Ceramic Powder Science IV, pp. 15-25, Mar. 12-15, 1991 by K. Abe, et al.
Journal of Research of the National Bureau of Standards, Clabaugh et al., vol. 56, No. 5(1956), pp. 289-291, May, 1956.

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