Contrasting anisotropic electron-phonon-spin coupling in Fe${}_3$GeTe${}_2$ and Fe${}_5$GeTe${}_2$: A helicity-resolved Raman study

Smrutiranjan Mekap, Jyoti Saini, Andrzej Ptok +4

Two-dimensional van der Waals ferromagnets Fe${}_3$GeTe${}_2$ (F3GT) and Fe${}_5$GeTe${}_2$ (F5GT) exhibit pronounced magneto-optical responses, which open promising platforms for investi…