Spin Reorientation Driven Renormalization of Spin-Phonon Coupling in Fe${}_4$GeTe${}_2$

Riju Pal, Md. Nur Hasan, Chumki Nayak +9

Quasi-2D van der Waals ferromagnet Fe${}_4$GeTe${}_2$, featuring the simultaneous presence of high Curie temperature ($T_{\mathrm{C}}$ $\sim 270$ K) and a spin-reorientation transition a…