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<p>Four different types of nanodimensionally stacked exfoliated supra-ceramic nanosheet (SNS) films (layered titanate, TiNbO<sub>5</sub><sup>−</sup>, and layered double hydroxide nanosheets) were prepared on a quartz substrate using layer-by-layer (LbL) deposition techniques. The uniform growth of the films was confirmed by UV–visible absorption spectroscopy. The nano-ordered stacking structures were characterized by grazing incidence small- and wide-angle X-ray scattering (GISAXS and GIWAXS, respectively) techniques. The regular and anisotropic structures of the LbL-deposited SNS films were shown by the GISAXS and GIWAXS analyses, indicating that the SNS was aligned parallel to the quartz substrate. Characteristic signals in the small-angle X-ray scattering regions demonstrated long-distance and ordered structures within the LbL-deposited SNS film. GISAXS showed hidden large structures within the LbL-deposited SNS films for the first time.</p> Graphical Abstract <p></p>

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Large structure of layer-by-layer-deposited supra-ceramic nanosheet films: characterized by GISAXS and GIWAXS techniques

  • 期刊论文

  • 发表日期：

    2026年1月27日

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  • Tatsuto Yui,
  • Akinobu Miyoshi,
  • Nao Maruyama,
  • Hiroki Saito,
  • Momoka Shirai,
  • Tsukasa Yoshihara,
  • Kentaro Hara,
  • Yusuke Tamaki,
  • Yoshiharu Uchimoto,
  • Kazuhiko Maeda

摘要

Four different types of nanodimensionally stacked exfoliated supra-ceramic nanosheet (SNS) films (layered titanate, TiNbO5−, and layered double hydroxide nanosheets) were prepared on a quartz substrate using layer-by-layer (LbL) deposition techniques. The uniform growth of the films was confirmed by UV–visible absorption spectroscopy. The nano-ordered stacking structures were characterized by grazing incidence small- and wide-angle X-ray scattering (GISAXS and GIWAXS, respectively) techniques. The regular and anisotropic structures of the LbL-deposited SNS films were shown by the GISAXS and GIWAXS analyses, indicating that the SNS was aligned parallel to the quartz substrate. Characteristic signals in the small-angle X-ray scattering regions demonstrated long-distance and ordered structures within the LbL-deposited SNS film. GISAXS showed hidden large structures within the LbL-deposited SNS films for the first time.

Graphical Abstract