Transactions on Electrical and Electronic Materials

  • 제12권2호
  • /
  • Pages.72-75
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  • 2011
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  • 1229-7607(pISSN)
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  • 2092-7592(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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Dielectric and Piezoelectric Properties of (K0.5Na0.5) (Nb0.97Sb0.03)O3 Ceramics Doped with K4CuNb8O23

  • Lee, Sang-Ho (Department of Electrical Engineering, Semyung University) ;
  • Lee, Kab-Soo (Department of Electrical Engineering, Semyung University) ;
  • Yoo, Ju-Hyun (Department of Electrical Engineering, Semyung University) ;
  • Jeong, Yeong-Ho (Department of Electrical Engineering, Chungju National University) ;
  • Yoon, Hyun-Sang (Department of Train Electricity, Kookje College)
  • 투고 : 2011.02.18
  • 심사 : 2011.03.17
  • 발행 : 2011.04.25
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초록

In this study, $(K_{0.5}Na_{0.5})(Nb_{0.97}Sb_{0.03})O_3+0.9$ mol% $K_{5.4}Cu_{1.3}Ta_{10}O_{29}+x$ mol% $K_4CuNb_8O_{23}$ (x = 0, 0.2, 0.6, 0.8) ceramics were prepared by a conventional mixed oxide method. Their microstructure and electric properties were investigated. The secondary phase was made by virtue of $K_4CuNb_8O_{23}$ (KCN) addition in the $(K_{0.5}Na_{0.5})(Nb_{0.97}Sb_{0.03})O_3$ system ceramics. However, the sinterability of the ceramics increased with increasing $K_4CuNb_8O_{23}$ content. At the 0.6 mol% $K_4CuNb_8O_{23}$ added composition ceramics sintered at $1,060^{\circ}C$, kp and $d_{33}$ showed the optimum values of 0.39 and 145 pC/N, respectively, suitable for piezoelectric actuator application.

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참고문헌

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피인용 문헌

  1. Dielectric and piezoelectric properties of (K0.5Na0.5)(Nb0.97Sb0.03)O3 ceramics doped with Bi2O3 vol.29, pp.2, 2012, https://doi.org/10.1007/s10832-012-9744-1
  2. Effects of Zn Substitution on Dielectric and Piezoelectric Properties of (Na0.54K0.46)0.96Li0.04(Nb0.90Ta0.10)O3Ceramics vol.51, pp.9S2, 2012, https://doi.org/10.7567/JJAP.51.09MD12
  3. Effect of sintering temperature on piezoelectric and dielectric properties of 0.98(Na0.5K0.5)NbO3-0.02Li(Sb0.17Ta0.83)O3+0.01wt%ZnO ceramics vol.28, pp.2-3, 2012, https://doi.org/10.1007/s10832-012-9686-7
  4. Electrical properties and impedance spectroscopy of pure and copper-oxide-added potassium sodium niobate ceramics vol.59, pp.10, 2012, https://doi.org/10.1109/TUFFC.2012.2438
  5. Effect of Particle Size on the Dielectric and Piezoelectric Properties of 0.95(K0.5Na0.5)NbO3-0.05BaTiO3Lead-free Piezoelectric Ceramics vol.16, pp.4, 2015, https://doi.org/10.4313/TEEM.2015.16.4.179
  6. lead-free relaxor ferroelectrics ceramics vol.11, pp.03, 2018, https://doi.org/10.1142/S179360471850056X