• Electric properties of textured (K$_{0.44}$Na$_{0.52}$Li$_{0.04}$)(Nb$_{0.86}Ta$_{0.10}$Sb$_{0.04}$)O$_3$ thick film prepared by screen printing method

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    • Keywords


      Screen printing; ferroelectricity; piezoelectricity; nonlinear property.

    • Abstract


      Textured (K$_{0.44}$Na$_{0.52}$Li$_{0.04}$) (Nb$_{0.86}$Ta$_{0.10}$Sb$_{0.04}$)O$_3$ thick film was fabricated by the screen printing method with plate-like NaNbO3 particles as template. Thick film with 75% grain orientation was prepared. Remnant polarization and coercive field observed from the P–E loops of textured thick film were 3.6 $\mu$C cm$^{−2}$ and 21 kV cm$^{−1}$, respectively. Textured (K$_{0.44}$Na$_{0.52}$Li$_{0.04}$) (Nb$_{0.86}$Ta$_{0.10}$Sb$_{0.04}$)O$_{3}$ thick film exhibited diffusion behaviour by analysing the temperature dependence of permittivity and loss tangent. The result of leakage current density showed a conduction mechanism of Schottky emission. Piezoelectric (PZT) properties of the thick film were characterized by the relationship of unipolar strain and applied electric field and the PZT constant $d^∗_{33}$ of textured thick film reached to 150 pm V$^{−1}$. Nonlinear PZT property of the thick film was investigated by Rayleigh law.

    • Author Affiliations



      1. Luoyang Institute of Science and Technology, Luoyang 471023, China
      2. Functional Materials Research Laboratory, Tongji University, Shanghai 200092, China
      3. Department of Physics and Materials Science, City University of Hong Kong, Kowloon Tong, Hong Kong
    • Dates

  • Bulletin of Materials Science | News

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