Structural complexity of hexagonal prismatic crystal specimens of fluorapatite‐gelatine nanocomposites: A case study in biomimetic crystal research | Zendy

Kniep Rüdiger | Zendy; Simon Paul | Zendy; Rosseeva Elena | Zendy

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

Author(s) -

Kniep Rüdiger,

Simon Paul,

Rosseeva Elena

Publication year - 2014

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.201300207

Subject(s) - fluorapatite , nanocomposite , materials science , superstructure , crystal (programming language) , crystallization , crystallography , composite material , chemical engineering , mineralogy , apatite , chemistry , oceanography , computer science , engineering , programming language , geology

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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