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首页> 外文期刊>Journal of Materials Research >Electric field nematic alignment of fluorohectorite clay particles in oligomeric matrices
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Electric field nematic alignment of fluorohectorite clay particles in oligomeric matrices

机译：低聚基质中氟锂蒙脱石粘土颗粒的电场向列取向

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摘要

We study the behavior of fluorohectorite synthetic clay particles dispersed in paraffin wax. We report wide-angle x-ray scattering related to electric-field-induced alignment of the embedded clay particles. The development of anisotropic arrangement of the particles is measured during melting and crystallization of the composites. The degree of anisotropy is quantified by fitting azimuthal changes of the clay diffraction peak intensity to the Maier-Saupe function. This parametric function is then used to extract both the full width at half maximum (FWHM) and the amplitude of the anisotropic scattering and eventually to estimate a nematic order parameter for this system. Finally, the time evolution of the one-to-zero and zero-to-one water layer transition in paraffin embedded fluorohectorite clay galleries is presented, and we demonstrate that such particles can be used as "meso-detectors" for monitoring the local water content in bulk carrier matrices, such as paraffin wax.
机译：我们研究了氟锂蒙脱石合成粘土颗粒分散在石蜡中的行为。我们报告了与电场引起的嵌入式粘土颗粒排列有关的广角X射线散射。在复合材料的熔融和结晶过程中测量颗粒的各向异性排列的发展。通过将粘土衍射峰强度的方位角变化拟合到Maier-Saupe函数来量化各向异性程度。然后使用此参数函数提取半峰全宽（FWHM）和各向异性散射的幅度，并最终为该系统估计向列参数。最后，介绍了石蜡包埋的氟锂蒙脱石粘土画廊中水层从零到零和零到一的时间演变，并且我们证明了这些颗粒可以用作监测局部水的“介观探测器”。散装载体基质（如石蜡）中的含量。

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  • 来源
    《Journal of Materials Research》 |2013年第10期|1349-1355|共7页
  • 作者

    Zbigniew Rozynek; Rene C. Castberg; Alexander Mikkelsen; Jon Otto Fossum;

  • 作者单位

    Department of Physics, NTNU, 7491 Trondheim, Norway;

    Physics Department, University of Oslo, 0316, Oslo, Norway;

    Department of Physics, NTNU, 7491 Trondheim, Norway;

    Department of Physics, NTNU, 7491 Trondheim, Norway The Centre for Advanced Study (CAS), Norwegian Academy of Science and Letters, 0272, Oslo, Norway;

  • 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);
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