Resonant-enhancement signal and absorb-suppress noise for quantum-well resonator thin films
The measurement of hydrogen dynamics in thin films by neutron scattering is a significant technical challenge due to the drastically reduced sample volume. Neutron wavefield enhancement in a quantum-well resonator has recently developed a possible solution to this issue. To further validate the method and reduce the background scattering, we propose using triple resonators and high absorption substrate LiF, Fe/V superlattice grown on LiF and MgO. We will compare the results from PSD (neutron reflectivity) and incoherent scattering detectors, to check if the signal is higher enough for the dynamics experiment. If successful, we will, in a subsequent experiment, measure the inelastic/quasielastic scattering from such a resonator.
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PAN Peng; KAPAKLIS VASSILIOS; KARLSSON Maths; Wiebke Lohstroh; PERRICHON Adrien; Alexei Vorobiev and WOLFF Maximilian. (2023). Resonant-enhancement signal and absorb-suppress noise for quantum-well resonator thin films. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-20-75
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