DOI > 10.5291/ILL-DATA.7-02-177

This proposal is publicly available since 08/04/2024

Title

Investigation of phonon-charge coupling in the transition metal spinel MgV2O4

Abstract

For a recent work, we identified a softening and damping of a specific transverse-acoustic phonon branch in the transition metal spinel MgV2O4. These effects are restricted to specific reduced momenta. A possible explanation for the observed effects is a coupling between the phonons and electronic or charge fluctuations. We propose to continue and extend our preliminary field-dependency study that we previously performed at IN22.

Experimental Report

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Data Citation

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

Tobias WEBER; BOENI Peter; BOURDAROT Frederic; IVANOV Alexandre; ROESSLI Bertrand and STOCK Christopher. (2019). Investigation of phonon-charge coupling in the transition metal spinel MgV2O4. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-02-177

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Metadata

Experiment Parameters

  • Environment temperature

    10-200 K
  • Experiment energy

    kf = 2.662 A^-1
  • Experiment moment

    around Q = 4.23 A^-1
  • Experiment res energy

    1 meV vanadium width

Sample Parameters

  • Formula

    • MgV2O4