METHOD FOR PRODUCING MULTIPLE OXIDE POWDER

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PROBLEM TO BE SOLVED : To inexpensively and efficiently produce a multiple oxide expressed by a general formula; A1-XBXMO3+δ(in the formula, A is occupied by at least one kind of an element selected from rare earth elements; B is occupied by at least one kind of an element from calcium, strontium and barium; and M is occupied by at least one kind of an element from manganese and vanadium; 0≤x≤1.0; -0.5≤δ≤0.5). SOLUTION : The method for producing multiple oxide includes a process of obtaining a precursor of the multiple oxide or directly crystalline multiple oxide by mixing and pulverizing a raw material using at least one kind of oxide, hydroxide and oxyhydroxide of the element occupying A site, at least one kind of oxide, hydroxide of the element occupying B site and at least one kind of oxide, hydroxide and oxyhydroxide of the element occupying M site as components, under an organic compound vapor atmosphere. COPYRIGHT : (C)2011, JPO&INPIT