DOI > 10.5291/ILL-DATA.6-05-918

This proposal is publicly available since 08/05/2018

Title

Collective motions on the picosecond time scale as a function of hydration level in hectorite clays.

Abstract

The interaction of water with the surfaces of clay minerals has large effects, from the nano-scale to the meter-scale. The uptake of water into the interlayer spaces of smectites results in increased volume of the crystals; the collective motions of interlayer water may act additively to cause significant energy transmission. The collective motions of water under confinement, as for example in the interlayer spaces of clays, is thought to be anisotropic with respect to the crystal dimensions. We propose to analyze the collective motions of water in the smectite hectorite to gain a better understanding of the different conditions in which collective water motions occur in clays.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

NUNES BORDALLO Heloisa; GATES Will; MARTINS Murillo; ORECCHINI Andrea and TEDESCO Julio. (2013). Collective motions on the picosecond time scale as a function of hydration level in hectorite clays.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-05-918

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Metadata

Experiment Parameters

  • Environment temperature

    300K
  • Experiment energy

    0.99Å
  • Experiment res energy

    2.7meV

Sample Parameters

  • Formula

    • 3 natural hectorite
  • Consistence

    polycristalline
  • Mass

    11000
  • Space

    Monoclinic C2/m
  • Unit cell A

    5.25
  • Unit cell B

    9.18
  • Unit cell C

    16
  • Alpha

    90
  • Beta

    99
  • Gamma

    90
  • Container

    flat