Journal of Synthetic Crystals, Volume. 54, Issue 6, 1061(2025)

Preparation and Electrical Properties of Co Doped Na0.5Bi4.5Ti4O15 Bismuth-Layered Lead-Free Piezoelectric Ceramics

Feiyang ZHANG*, Feng YAN, Yue LOU, Bojiang LI, and Jie LI
Figures & Tables(9)
XRD patterns of NBT ceramics doped with different Co content
Fracture surfaces SEM images of NBT ceramics doped with different Co content (a)~(d) and EDS spectrum (e) of area A in Fig.(c). (a) x=0; (b) x=0.025; (c) x=0.050; (d) x=0.075
Dielectric permittivity of NBT ceramics doped with different Co content. (a) Relative dielectric constant; (b) dielectric loss
Variation of resistivity of NBT ceramics doped with different Co content with temperature
High resolution O 1s XPS of NBT (a) and NBT-0.050 (b) ceramics
Hysteresis loop of NBT and NBT-0.050 ceramics
Effect of annealing temperature on d33 of NBT-0.050 ceramics
Variation of d33 of NBT-0.050 ceramics with temperatures
  • Table 1. Physical properties such as dielectric and piezoelectric properties of NBT ceramics doped with different Co content at room temperature

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    Table 1. Physical properties such as dielectric and piezoelectric properties of NBT ceramics doped with different Co content at room temperature

    Sampleρd/(g·cm-3ρrd/%εrtan δ/%d33/(pC·N-1kp/%
    NBT6.4884.91380.6817.53.9
    NBT-0.0256.7288.11400.4528.14.8
    NBT-0.0507.1393.41460.3034.75.4
    NBT-0.0756.9891.51500.5427.75.0
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Feiyang ZHANG, Feng YAN, Yue LOU, Bojiang LI, Jie LI. Preparation and Electrical Properties of Co Doped Na0.5Bi4.5Ti4O15 Bismuth-Layered Lead-Free Piezoelectric Ceramics[J]. Journal of Synthetic Crystals, 2025, 54(6): 1061

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Paper Information

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Received: Oct. 27, 2024

Accepted: --

Published Online: Jul. 8, 2025

The Author Email: Feiyang ZHANG (zhangfeiyang2014@163.com)

DOI:10.16553/j.cnki.issn1000-985x.2024.0258

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