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首页> 外文期刊>Physica status solidi >Annealing temperature-dependent piezoelectric properties of Bi_(3.15)Nd_(0.85)Ti_3O_(12) ferroelectric thin films
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Annealing temperature-dependent piezoelectric properties of Bi_(3.15)Nd_(0.85)Ti_3O_(12) ferroelectric thin films

机译：Bi_（3.15）Nd_（0.85）Ti_3O_（12）铁电薄膜的退火温度相关压电特性

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摘要

Annealing temperature-dependent (ATD) microstructure, ferroelectric, dielectric, and piezoelectric properties of Bi_(3.15)Nd_(0.85)Ti_3O_(12) (BNT) thin films by metal-organic decomposition method were investigated in detail. The relative permittivity ε_τ (702) at 1 kHz, the spontaneous polarization 2P_s (72 μC/cm~2), and the effective piezoelectric coefficient d_(33)rn(62 pm/V) under the amplitudes of the bipolar driving field 320 and 280kV/cm are the best for BNT thin film annealed at 700 ℃. The 2P_s and ε_τ moderated by annealing temperature are responsible for ATD piezoelectric properties according to phenomenologic equation. The results show BNT is a promising candidate for piezoelectric thin film devices.
机译：通过金属有机分解方法研究了Bi_（3.15）Nd_（0.85）Ti_3O_（12）（BNT）薄膜的退火温度依赖性（ATD）微观结构，铁电，介电和压电性能。在双极驱动场320和200的振幅下，相对介电常数ε_τ（702）在1 kHz时，自发极化2P_s（72μC/ cm〜2），有效压电系数d_（33）rn（62 pm / V）。 280kV / cm是BNT薄膜在700℃退火的最佳选择。根据现象学方程，由退火温度调节的2P_s和ε_τ决定了ATD的压电性能。结果表明，BNT是压电薄膜器件的有希望的候选者。

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  • 来源
    《Physica status solidi 》 |2010年第5期| P.1240-1244| 共5页
  • 作者

    Y. Q. Chen; X. J. Zheng; L. He; X. Feng;

  • 作者单位

    Faculty of Materials, Optoelectronic and Physics, Xiangtan University, Xiangtan, Hunan, 411105, P.R. China Key Laboratory of Low Dimensional Materials and Application Technology, Ministry of Education, Xiangtan University, Xiangtan, Hunan 411105, P.R. China;

    rnFaculty of Materials, Optoelectronic and Physics, Xiangtan University, Xiangtan, Hunan, 411105, P.R. China Key Laboratory of Low Dimensional Materials and Application Technology, Ministry of Education, Xiangtan University, Xiangtan, Hunan 411105, P.R. China;

    rnFaculty of Materials, Optoelectronic and Physics, Xiangtan University, Xiangtan, Hunan, 411105, P.R. China;

    rnSchool of Aerospace, Tsinghua University, Beijing 100084, P.R. China;

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  • 正文语种 eng
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  • 关键词

    dielectric loss and relaxation; piezoelectric and electrostrictive constants; chemical synthesis methods; sol-gel processing, precipitation;

    机译：介电损耗和松弛;压电和电致伸缩常数;化学合成方法;溶胶-凝胶加工;沉淀;

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