Bithmuth niobate dielectric composition having high dielectric permittivity and low dielectric loss

摘要

PROBLEM TO BE SOLVED: To provide a composition showing a characteristic of a dielectric loss being extremely low while a dielectric constant of high dielectric constant is kept, and provide a dielectric material of a nano-sheet form which can be applied for the preparation of a low temperature element, being linear in a nano-level thin film, having an excellent dielectric constant and achieving insulation characteristics.SOLUTION: This invention relates to a niobate bismuth dielectric composition having high dielectric constant and low dielectric loss characteristics, in particular, a niobate bismuth dielectric composition having high dielectric constant and low dielectric loss characteristic, having a composition represented by chemical formula 1: KSrBiNbO(KSBNO), where molar fraction x is 0x0.3, y is 4y6, is 0x0.3.