The structure of denisovite, a fibrous nanocrystalline polytypic disordered `very complex' silicate, studied by a synergistic multi-disciplinary approach employing methods of electron crystallography and X-ray powder diffraction

Rozhdestvenskaya, I.V.; Mugnaioli, E.; Schowalter, M.; Schmidt, M.U.; Czank, M.; Depmeier, W.; Rosenauer, A.

doi:10.1107/S2052252517002585

Figure 8
(a) The structure of denisovite projected along the z axis; only Ca, K and Si atoms are shown. Large white balls represent Ca atoms, small white balls represent Si atoms in vertical Si₂O₇ groups, and small grey balls represent Si atoms in horizontal Si₂O₇ groups and K atoms. (b) Experimental HAADF image of denisovite. (c) Simulated HAADF image calculated from the ab initio structure.

IUCrJ

Volume 4| Part 3| May 2017| Pages 223-242

ISSN: 2052-2525

https://doi.org/10.1107/S2052252517002585

MATERIALS | COMPUTATION

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