| 摘要 |
A composition for ferroelectric thin film formation, comprising at least a colloidal solution containing metals serving as materials constituting a ferroelectric thin film, the colloidal solution having an average colloidal particle diameter of 1 to 100 nm, and obtaining a particle size distribution having two or more peaks; a ferroelectric thin film formed from the composition for ferroelectric thin film formation, and a liquid-jet head equipped with a piezoelectric element having the ferroelectric thin film.
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