METHOD FOR PRODUCING ALKALI METAL NIOBATE PARTICLE AND ALKALI METAL NIOBATE PARTICLE

摘要

PROBLEM TO BE SOLVED: To provide a method for producing fine alkali metal niobate particles in a liquid phase system, wherein the size and shape of fine alkali metal niobate particles can be controlled, and to provide fine alkali metal niobate particles which have a controlled size and shape.

SOLUTION: The method for producing fine alkali metal niobate particles expressed by formula (1):MNbO3(where M represents one kind of element selected from alkali metals) is a method for producing approximately rectangular parallelepiped particles of an alkali metal niobate, including specific four steps. The alkali metal niobate particles are expressed by the formula (1) and have an approximately rectangular parallelepiped shape, in which the longest side of the approximately rectangular parallelepiped has a length Lmaxof 0.10 to 25 μm and the shortest side has a length Lminof 0.050 to 15 μm.

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