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Imaging with polarized neutrons

M. Strobl - No affiliation found

2009/09/01 Full-length article DOI: 10.1016/j.physb.2009.06.032 Journal: Physica B: Condensed Matter

Abstract:

AbstractWhile polarized neutrons have long proved to be an outstanding tool for the investigation of magnetic structures by scattering, we report on their potential for real space investigations of magnetic fields on a macroscopic scale by neutron imaging. Due to the ability of neutrons to penetrate thick layers of matter and their high sensitivity to magnetic fields owed to their magnetic moment, neutron imaging enables the investigation of magnetic fields even in bulk samples of condensed matter. We demonstrate how neutrons provide images of magnetic fields trapped in or expelled by superconductors or even reveal the path of electric currents due to the corresponding magnetic fields.