Lattice dynamics in the FeSi-based family of superconductors S. Layek, M. F. Hansen, J.-B. Vaney, P. Toulemonde, S. Tencé, P. Boullay, A. Cano and M.-A. Méasson EPL, 146 4 (2024) 46002 Published online: 28 May 2024 DOI: 10.1209/0295-5075/ad3b37