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首页> 外文期刊>Journal of Crystal Growth >Synthesis and characterization of Bi_(3.15)Nd_(0.85)Ti_3O_(12) nanotube arrays
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Synthesis and characterization of Bi_(3.15)Nd_(0.85)Ti_3O_(12) nanotube arrays

机译:Bi_(3.15)Nd_(0.85)Ti_3O_(12)纳米管阵列的合成与表征

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摘要

Nd-substituted bismuth titanate (Bi_(3.15)Nd_(0.85)Ti_3O_(12), BNT) nanotube arrays are fabricated by means of a sol-gel method utilizing porous anodic aluminum oxide (AAO) template. The morphologies and structures have been determined by scanning electron microscopy (SEM), X-ray diffraction (XRD) and transmission electron microscopy (TEM). The diameter and length of these nanotubes are about 200 nm and 60 μm, respectively, and their wall thickness is about 30 nm. The average grain size is around 40 nm. XRD data show that the BNT nanotubes possess bismuth-layered perovskite structure. High-resolution electron microscopy (HRTEM) image demonstrates that the BNT nanotubes are polycrystalline. Polarization-electric field (P-E) response curves of BNT nanotube arrays were measured, and a size induced polarization reduction phenomenon is observed.
机译:利用多孔阳极氧化铝(AAO)模板通过溶胶-凝胶法制备了Nd-取代钛酸铋(Bi_(3.15)Nd_(0.85)Ti_3O_(12),BNT)纳米管阵列。通过扫描电子显微镜(SEM),X射线衍射(XRD)和透射电子显微镜(TEM)确定了形态和结构。这些纳米管的直径和长度分别为约200nm和60μm,并且它们的壁厚为约30nm。平均晶粒尺寸为约40nm。 XRD数据表明,BNT纳米管具有铋层状钙钛矿结构。高分辨率电子显微镜(HRTEM)图像表明BNT纳米管是多晶的。测量了BNT纳米管阵列的极化电场(P-E)响应曲线,并观察到尺寸引起的极化减少现象。

著录项

  • 来源
    《Journal of Crystal Growth》 |2009年第20期|4495-4498|共4页
  • 作者单位

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

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

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

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

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

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A3. Sol-gel template method; B1. Nanotube; B2. Ferroelectric materials;

    机译:A3。溶胶凝胶模板法;B1。纳米管B2。铁电材料;

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