The Origin of the Observed Raman Peaks in α-MnTe

Nurul Azam, Syed Mohammad Shahed, Liam T. Schmidt +21

The Raman spectrum of the room-temperature altermagnet $\alpha$-MnTe is reported to contain unassigned peaks at 120(3) cm${}^{-1}$ and 140(3) cm${}^{-1}$, absent from the predicted phonon s…