(1-x)(K0.475Na0.475Li0.05)(Nb0.975Sb0.025)O3-xBiFeO3 Lead-Free Piezoelectric Ceramics with CuO Sintering Aid

Yong Jie Zhao; Yu Zhen Zhao; Rong Xia Huang; Rong Zheng Liu; He Ping Zhou

doi:10.4028/www.scientific.net/MSF.687.228

Paper Titles

The Effect of Sb Content on Spark Plasma Sintered High-Density Antimony-Doped Tin Oxide Ceramics
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The Improvement of Performance of HfO₂/Gd₂O₃/Si Stack Compared with Gd-Doped HfO₂ High-K Films
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Thermal Analysis of High Power Light Emitting Diodes Package
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Unification of the Charge Transport in Field-Effect Transistors and Light-Emitting Diodes Based on Organic Semiconductors
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(1-x)(K_0.475Na_0.475Li_0.05)(Nb_0.975Sb_0.025)O₃-xBiFeO3 Lead-Free Piezoelectric Ceramics with CuO Sintering Aid
p.228

Application of Sol-Gel Derived Conductive Oxide LaNiO₃ in Pyroelectric Detector
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Composition and Dielectric Properties of Ba₂Ti₉O₂₀-BaFe₁₂O₁₉ Ceramics
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Deposition and Characterization of Pyroelectric PMN-PT Thin Films for Uncooled Infrared Focal Plane Arrays
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Dielectric and Ferroelectric Properties of (Pb_0.9Ba_0.1) ZrO₃ Ceramics
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HomeMaterials Science ForumMaterials Science Forum Vol. 687

(1-x)(K_0.475Na_0.475Li_0.05)(Nb_0.975Sb_0.025)O₃-xBiFeO3 Lead-Free Piezoelectric Ceramics with CuO Sintering Aid

Abstract:

(1-x) (K_0.475Na_0.475Li_0.05)(Nb_0.975Sb_0.025)O₃-xmolBiFeO3 (x=0, 0.002, 0.004, 0.006, 0.008) doped with 0.8mol%CuO lead-free piezoelectric ceramics were prepared by the solid state reaction technique. X-ray diffraction patterns suggested that all the ceramics presented perovskite structure. The compositional dependence of the phase structure and the electrical properties of the ceramics were studied. The ceramic (x=0.002) near room temperature exhibited excellent electrical properties (piezoelectric constant d₃₃=172pC/N, planar electromechanical coupling factor k_p=0.43, and dielectric constant =418). A relatively high mechanical quality factor (Q_m=200) was also obtained in this particular composition. All these results revealed that this system might become a promising candidate for lead-free piezoelectric materials.

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Materials Science Forum (Volume 687)

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228-232

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https://doi.org/10.4028/www.scientific.net/MSF.687.228

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Online since:

June 2011

Authors:

Yong Jie Zhao, Yu Zhen Zhao, Rong Xia Huang, Rong Zheng Liu, He Ping Zhou

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BiFeO₃ Addition, KNN-LN-LS, Lead Free, Piezoelectric Ceramic (PZT)

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