Fig. 5: Ultralow-frequency Raman spectroscopy of PdSe2.
From: Phonon-assisted electronic states modulation of few-layer PdSe2 at terahertz frequencies
a Raman spectra of under unpolarized, parallel (HH), and cross (HV) polarization configurations. b Stokes/anti-Stokes Raman spectra measured in HH and HV polarization configurations.
