X-ray diffraction: a powerful tool to probe and understand the structure of nanocrystalline calcium silicate hydrates

Grangeon, S.; Claret, F.; Linard, Y.; Chiaberge, C.

doi:10.1107/S2052519213021155

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 7
Evolution of the position from the 001 reflection in experimental data (dots, same data as in Fig. 3

) and in a hypothetical random (R0) interstratified structure (solid line) built of layers of plombierite-like layers [d(001) = 14 Å] with interlayer calcium omitted yielding a Ca/Si ratio of 2/3 and of layers of tobermorite MDO2 from Urals [d(001) = 11.3 Å] with the occupancy of interlayer calcium (Ca2 in Merlino et al., 2001

) increased to 0.5 and all Si bridging tetrahedra omitted, yielding a Ca/Si ratio of 5/4.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 69| Part 5| September 2013| Pages 465-473

doi:10.1107/S2052519213021155

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