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1. Inelastic Neutron Scattering

   Linked via "oxygen ions"

   In non-magnetic insulators or metals where magnetic ordering is absent or weak, INS measures lattice vibrations (phonons). The intensity mapping allows for the precise determination of the Born-von Karman force constants and the phonon dispersion curves| $\omega(\mathbf{q})$.
   A common artefact in INS phonon measurements, particularly in high-temperature superconductors (HTS)| studied via momentum scans, i…