| abstract |
(57) [Problem] To provide a method for efficiently and easily producing a high-purity submicron oxide powder. (1) One or more first raw materials selected from the group consisting of chlorides, nitrates, acetates, hydroxides, and hydrates of elements Ca, Sr, Ba, Mg, La and Pb; And (2) alkoxides, oxides, halides, nitrates, sulfates of Ti, Zr, Hf and Ce elements, And at least one second material selected from the group consisting of a hydrolyzate and a hydrothermal reaction in the presence of (3) a compound capable of forming a complex with the metal ion of the first material. Provided is a method for producing an oxide powder. |