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Structural complexity of hexagonal prismatic crystal specimens of fluorapatite-gelatine nanocomposites : a case study in biomimetic crystal research

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2014

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Kniep, Rüdiger
Simon, Paul

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https://doi.org/10.1002/crat.201300207
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Crystal Research and Technology. 2014, 49(1), pp. 4-13. ISSN 0023-4753. eISSN 1521-4079. Available under: doi: 10.1002/crat.201300207

Zusammenfassung

Hexagonal prismatic crystal-like entities of fluorapatite-gelatine nanocomposites were grown by double-diffusion in gelatine gels. The Bragg pattern of the specimens (containing 2.3(3) wt.-% gelatine) is consistent with fluorapatite. TEM images together with atomistic computer simulations reveal the material to be best described as a mosaic-dominated nanocomposite superstructure. Intrinsic electric dipole fields (detected by electron holography), generated by a non-classical crystallization process of composite nanoboards (elongated platelets), cause the integration of a meso/macroscopic pattern (symmetry: 6/m) of gelatine microfibrils into the superstructure matrix.

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540 Chemie

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nanocomposite, fluorapatite, gelatine, superstructure, electric dipole fields, non-classical crystallization, nucleation

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ISO 690KNIEP, Rüdiger, Paul SIMON, Elena V. STURM, 2014. Structural complexity of hexagonal prismatic crystal specimens of fluorapatite-gelatine nanocomposites : a case study in biomimetic crystal research. In: Crystal Research and Technology. 2014, 49(1), pp. 4-13. ISSN 0023-4753. eISSN 1521-4079. Available under: doi: 10.1002/crat.201300207
BibTex
@article{Kniep2014Struc-29453,
  year={2014},
  doi={10.1002/crat.201300207},
  title={Structural complexity of hexagonal prismatic crystal specimens of fluorapatite-gelatine nanocomposites : a case study in biomimetic crystal research},
  number={1},
  volume={49},
  issn={0023-4753},
  journal={Crystal Research and Technology},
  pages={4--13},
  author={Kniep, Rüdiger and Simon, Paul and Sturm, Elena V.}
}
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