Abstract
Ferroelectric Pb(Zr0.53Ti0.47)O3 fibers were reproducibly fabricated by sol-gel technique using triethanolamine (TEA) complexed alkoxide. The phase transition from pyrochlore to perovskite took place about 400°C and a stable single perovskite phase was obtained at 550°C. PZT gel fibers spun through nozzle were heat-treated at 700°C, and at 1000°C for 1 h to certify the effect of heat-treatment temperature on the electrical properties. The PZT fibers had elliptical cross sections with diameter of 72 μm–92 μm, and dense microstructure was obtained by heating at 1000°C. In the PZT fibers heat-treated at 1000°C, a distinguishable relative permittivity peak and a pyroelectric current peak were observed at their Curie temperature. The P-E hysteresis loops of the crystalline PZT fibers were also observed.
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Park, YI., Nagai, M., Miyayama, M. et al. Effect of heating temperature on dielectric properties of Pb(Zr,Ti)O3 [PZT] fibers. Journal of Materials Science 36, 1995–2000 (2001). https://doi.org/10.1023/A:1017522729966
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DOI: https://doi.org/10.1023/A:1017522729966