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Electrical properties of lead-free 0.98(Na0.5K0.5Lix)NbO3-0.02Ba(Zr0.52Ti0.48)O3 ceramics

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Abstract

Lead-free 0.98(Na0.5K0.5Lix)NbO3-0.02Ba(Zr0.52Ti0.48)O3 piezoelectric ceramics were investigated. The experimental results show that Li content strongly affects the orthorhombic-tetragonal morphotropic phase boundary (MPB) which results in different piezoelectric properties. The phase transition composition shows a range from 0.05 to 0.1. The sample with a composition of x = 0.1 showed the maximum values of piezoelectric coefficient (d 33= 201 ρC/N), electromechanical coupling coefficient (k p= 39%), and remnant polarization (P r= 21 μC/cm2).

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Authors and Affiliations

  1. Dept. of Electronics Materials Engineering, Kwangwoon University, Kwangwoon, Korea

    Seung-Hwan Lee, Hyun-Ju Kim, Jung-Hyuk Koh, Sang-Don Baek & Young-Hie Lee

  2. Dept. of Ceramic Engineering, Eng. Res. Insti., Gyeongsang National University, Jinju-Si, Korea

    Sung-Gap Lee

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  1. Seung-Hwan Lee
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  2. Hyun-Ju Kim
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  3. Sung-Gap Lee
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  4. Jung-Hyuk Koh
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  5. Sang-Don Baek
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  6. Young-Hie Lee
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Correspondence to Young-Hie Lee.

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Lee, SH., Kim, HJ., Lee, SG. et al. Electrical properties of lead-free 0.98(Na0.5K0.5Lix)NbO3-0.02Ba(Zr0.52Ti0.48)O3 ceramics. Electron. Mater. Lett. 8, 43–45 (2012). https://doi.org/10.1007/s13391-011-1063-1

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  • DOI: https://doi.org/10.1007/s13391-011-1063-1

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