Dielectric Properties of Sol Infiltrated Lead Zirconate Titanate Ferroelectric Thick Films

Sung Gap Lee; Sang Man Park; Young Hie Lee; Sung Pill Nam

doi:10.4028/www.scientific.net/MSF.544-545.549

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HomeMaterials Science ForumMaterials Science Forum Vols. 544-545Dielectric Properties of Sol Infiltrated Lead...

Dielectric Properties of Sol Infiltrated Lead Zirconate Titanate Ferroelectric Thick Films

Abstract:

Ferroelectric PZT(70/30) thick films were fabricated by the hybrid technique adding the sol coating process to the screen-printing process to obtain a good densification. Structural and electrical properties of the thick films with the sol concentration were investigated. The relative dielectric constant increased and dielectric loss decreased with increasing the sol concentration, the values of the thick film coated with sol concentration of 1.5 M were 698 and 2.5 % at 1 kHz, respectively. And the remanent polarization and dielectric breakdown strength of the thick film coated with sol concentration of 1.5 M were about 38 μC/cm2 and 200 kV/cm, respectively. The leakage current densities were less than 10-8 A/cm2 at the applied electric field range of 0-100 kV/cm in all thick films.

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Materials Science Forum (Volumes 544-545)

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549-552

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https://doi.org/10.4028/www.scientific.net/MSF.544-545.549

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Online since:

May 2007

Authors:

Sung Gap Lee, Sang Man Park, Young Hie Lee, Sung Pill Nam

Keywords:

Ferroelectric, Perovskite, Sol-Gel Process, Thick Film

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