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Filtering by: Creator Wallace, David A. Creator Patterson, Eric A. Has journal sim Applied Physics Letters

Bipolar piezoelectric fatigue of Bi(Zn0.5Ti0.5)O3-(Bi0.5K0.5)TiO3-(Bi0.5Na0.5)TiO3 Pb-free ceramics

Creator:

Patterson, Eric A. and Cann, David P.

Abstract:

The piezoelectric fatigue behavior of Pb-free ceramics based on solid solutions of Bi(Zn₀.₅Ti₀.₅)O₃-(Bi₀.5K₀.₅)TiO₃-(Bi₀.₅Na₀.₅)TiO₃ was characterized at 50 kV/cm after 10⁶ bipolar cycles. Ferroelectric compositions containing 2.5% Bi(Zn₀.₅Ti₀.₅)O₃ exhibited only minor losses in maximum strain (~10%). In compositions with 5% Bi(Zn₀.₅Ti₀.₅)O₃ that exhibit large electric field-induced strains, the electromechanical strain actually...

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- (Bi0.5Na0.5)TiO3 Pb-free ceramics Eric A. Patterson and David P. Cann Citation: Appl. Phys. Lett. 101
Effects of ZrO₂ additions on the dielectric properties of CaCu₃Ti₄O₁₂

Creator:

Patterson, Eric A., Kwon, Seunghwa, Huang, Chien-Chih, and Cann, David P.

Abstract:

The dielectric spectra of CaCu₃Ti₄O₁₂ is characterized by a large permittivity (εᵣ>10 000) with only a weak dependence on temperature over the temperature range 200–400 K. In this work, doping with 0.1–1.0 wt % ZrO₂ has been shown to dramatically reduce the dielectric loss. At 0.5 wt % ZrO₂, tan...

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additions on the dielectric properties of CaCu3Ti4O12 Eric A. Patterson Department of Materials Science and