| 摘要 |
PROBLEM TO BE SOLVED: To provide perovskitic nanoparticles being capable of being crystallized at a lower temperature, having high crystallizability even when the particle diameter is as small as 50 nm or below, and being excellent in dispersibility, to provide a method for producing the same, and to provide a membrane. SOLUTION: The perovskitic nanoparticles have a perovskite structure represented by A<SB>x</SB>B<SB>y</SB>O<SB>z</SB>(wherein A is an at least one element selected from the group consisting of group IA elements, group IB elements, group IIA elements, and group IIB elements; and B is at least one element selected from the transition metal elements) and have a primary particle diameter of 10 to 50 nm. COPYRIGHT: (C)2005,JPO&NCIPI
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