Quantitative X-ray pair distribution function analysis of nanocrystalline calcium silicate hydrates: a contribution to the understanding of cement chemistry

@inproceedings{Grangeon2017QuantitativeXP,
  title={Quantitative X-ray pair distribution function analysis of nanocrystalline calcium silicate hydrates: a contribution to the understanding of cement chemistry},
  author={Sylvain Grangeon and Alejandro Fernandez-Martinez and Alain Baronnet and Nicolas C M Marty and Agnieszka Poulain and Erik Elka{\"i}m and C{\'e}dric Roosz and St{\'e}phane Gaboreau and Pierre Henocq and Francis Claret},
  booktitle={Journal of applied crystallography},
  year={2017}
}
The structural evolution of nanocrystalline calcium silicate hydrate (C-S-H) as a function of its calcium to silicon (Ca/Si) ratio has been probed using qualitative and quantitative X-ray atomic pair distribution function analysis of synchrotron X-ray scattering data. Whatever the Ca/Si ratio, the C-S-H structure is similar to that of tobermorite. When the Ca/Si ratio increases from ∼0.6 to ∼1.2, Si wollastonite-like chains progressively depolymerize through preferential omission of Si bridging… CONTINUE READING