DOI > 10.5291/ILL-DATA.3-14-392

This proposal is publicly available since 01/27/2025

Title

Diamond nanoparticles in nanoparticle-polymer composite neutron diffraction gratings

Abstract

We use materials that are sensitive to light combined with holographic techniques to develop diffraction gratings for long-wavelength neutron optics. The treated materials exhibit a periodic neutron refrac­tive-index pattern, arising from a light-induced redistribution of the con­stituents. Our goal is to find the most versatile and efficient material to produce neutron-optical elements, such as wavelength-standards and gratings for neutron phase-imaging or very-cold neutron interferometry. Various tests of nanoparticle-polymer composite gratings based on SiO2 nanoparticles have demonstrated that two- and three-port beam-splitters as well as free-standing film mirrors (diffraction efficiency ~90 %) for cold neutrons and VCN are feasible. The experiment described in this proposal aims at testing improved NPC gratings containing diamond nanoparticles.

Experimental Report

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Data Citation

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

KLEPP Juergen; FALLY Martin; JENKE Tobias and PRUNER Christian. (2020). Diamond nanoparticles in nanoparticle-polymer composite neutron diffraction gratings. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.3-14-392

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Metadata

Experiment Parameters

  • Experiment energy

    30-100 Angstrom
  • Experiment moment

    n.a.
  • Experiment res energy

    n.a.
  • Experiment res moment

    n.a.

Sample Parameters

  • Formula

    • Nanodiamonds in nanoparticle-polymer composite