Manufacture of valence compensation type perovskite compound

Abstract

Abstract PURPOSE:To manufacture economically the fine-grained titled compound of high purity having a uniform composition by reacting specified three kinds of alkoxides and hydrolyzing the reaction product. CONSTITUTION:Alkoxides (A) of >=1 kind of element selected from Ba, Sr, Ca and Pb are mixed with alkoxides (B) of >=1 kind of element selected from rare earth elements, actinoids, Fe, Co, Mg, etc. and alkoxides (C) of >=1 kind of element selected from Nb, Sb and Ta preferably in an org. solvent such as benzene, and the mixture is reacted at about 0-100 deg.C. Decarbonated distilled water is added to the reaction product to hydrolyze the product at about 0-100 deg.C. Thus, a valence compensation type perovskite compound represented by the formula (where R is a bivalent metal, M' is a tervalent metal, and M'' is a quinquevalent metal) is formed.

Inventors

• 👤 Yoshiharu Ozaki
• 👤 尾崎　義治
• 👤 Noboru Tomuro
• 👤 戸室　昇
• 👤 Isao Ishiguchi
• 👤 石口　功

Bibliographic Details