DOI > 10.5291/ILL-DATA.9-10-1240

This proposal is publicly available since 12/09/2017

Title

Neutron Reflection at the Mica Water Interface

Abstract

Mica is an exceptionally important mineral in surface science, which until now has been inaccessible by neutron reflection. Here we propose a novel attachment method unlocking this mineral for the first time allowing the fine structure of adsorbed layers to be analysed. Previously mica was not available to neutron reflection experiments for a number of reasons including defects in the crystal and a high absorption cross section. Experiments carried out by Rennie and Clarke 10 years ago attempted to float thin mica sheets on water but suffered from penetration issues. Here we propose to overcome this problem by decreasing the mica thickness to less than a micron.

Experimental Report

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Data Citation

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

CLARKE Stuart M.; Kathryn Browning; GRIFFIN Lucy and GUTFREUND Philipp. (2012). Neutron Reflection at the Mica Water Interface. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1240

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Metadata

Experiment Parameters

  • Environment temperature

    ambient
  • Experiment energy

    2-20
  • Experiment moment

    0.006-0.2
  • Experiment res energy

    1%

Sample Parameters

  • Formula

    • D2O
    • H2O
    • C16TAB (CH3(CH2)15N(Br)(CH3)3)
    • DiDAB ([CH3(CH2)11]2N(CH3)2(Br))
    • Si/Mica substrate
  • Consistence

    solid/liquid interface
  • Mass

    25,000
  • Size

    16000
  • Surface

    1600