DOI > 10.5291/ILL-DATA.4-02-541

This proposal is publicly available since 07/22/2024

Title

Search for low energy magnetic excitations in superconducting cuprates

Abstract

An intra-unit-cell (IUC) magnetism develops below the pseudo-gap (PG) temperature, T*, in the phase diagram of cuprate superconductors. Since the PG state is considered as being the mother-state out of which superconductivity emerges, it becomes crucial to understand the intrinsic nature of the IUC magnetic correlations and to search for the existence of related fluctuations that could contribute to generate anomalous electronic properties (marginal Fermi liquid, d-wave superconductivity). The present polarized neutron experiment is devoted to the search for new low energy magnetic fluctuations around the wave vector associated with the IUC magnetism reported by polarized neutron diffraction. The experiment will be performed on a new YBa2Cu3O6.75 single crystal, specifically grown for such an experiment.

Experimental Report

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Data Citation

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

SIDIS Yvan; BOEHM Martin; BOUNOUA Dalila; Bourges; MANGIN-THRO Lucile and STEFFENS Paul. (2019). Search for low energy magnetic excitations in superconducting cuprates. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-02-541

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Metadata

Experiment Parameters

  • Environment temperature

    2 K to 300 K
  • Experiment energy

    0-7 meV
  • Experiment moment

    0-2 A-1
  • Experiment res energy

    0.2 meV
  • Experiment res moment

    0.05 r.l.u

Sample Parameters

  • Formula

    • YBa2Cu3O6.75